NIST标准物质_标准物质_标准品/对照品_试剂_供应

产品名字货号规格

Limestone, Argillaceous 1d 70 g

Cast Iron 4l 150 g

Cast Iron 5m 150 g

Cast Iron 6g 150 g

Bessemer Steel (Simulated), 0.1 % Carbon 8k 150 g

Basic Open-Hearth Steel, 0.4% Carbon 12h 150 g

0.6% Carbon Steel 13g 150 g

Carbon Steel (AISI 1078) 14g 150 g

Basic Open-Hearth Steel, 0.1% Carbon 15h 150 g

Basic Open- Hearth Steel, 1% carbon 16f 150 g

Sucrose Optical Rotation 17f 60 g

Basic Electric Steel, 0.2% Carbon 19h 150 g

AISI 1045 Steel 20g 150 g

Manganese Ore 25d 60 g

LA Steel, Cr-V (SAE 6150) 30f 150 g

Nickel-Chromium Steel (SAE 3140) 32e 150 g

LA Steel, Ni-Mo (SAE 4820) 33e 150 g

Chromium-Molybdenum Steel 36b 150 g

Benzoic Acid (Calorimetric Standard) 39j 30 g

Cu Freezing Point 45d 450 g

Portland Cement Fineness Std 46h 10 x 5 g

Lead Freezing Point 49e 600 g

Tungsten-Chromium-Vanadium Steel 50c 150 g

Bearing Metal (84Pb-10Sb-6Sn) 53e 150 g

Bearing Metal (Tin Base) 54d 170 g

Silicon Metal 57b 40 g

Ferrosilicon (73% Si Regular Grade) 58a 75 g

Ferrosilicon 59a 50 g

Ferrochromium, High Carbon 64c 100 g

Ferromanganese, High Carbon 68c 100 g

Bauxite (Arkansas) 69b 60 g

LA Steel (AISI 4130) 72g 150 g

Stainless Steel, Cr (SAE 420) 73c 150 g

Burnt Refractory (Al203-40%) 76a 75 g

Burnt Refractory (Al203-60%) 77a 75 g

Burnt Refractory (Al203-70%) 78a 75 g

Fluorspar, Customs Grade 79a 120 g

Glass Sand 81a 75 g

Cast Iron (Ni-Cr) 82b 150 g

Potassium Hydrogen Phthalate 84l 60 g

Aluminum-Silicon Alloy 87a 75 g

Dolomitic Limestone 88b 75 g

Glass, Lead Barium 89 45 g

Ferrophosphorus 90 75 g

Soda-Lime Glass Powder 92 45 g

Borosilicate Glass 93a wafer

Zinc-Base Die Casting Alloy 94c 150 g

Flint Clay 97b 60 g

Plastic Clay 98b 60 g

Soda Feldspar 99b 40 g

LA Steel, Manganese (SAE T340) 100b 150 g

Stainless Steel (AISI 304L) 101g 100 g

LA Steel, Cr-Mo-Al (Nitralloy rG) 106b 150 g

Cast Iron (Ni-Cr-Mo) 107c 150 g

Zinc Concentrate 113b 100 g

Portland Cement Fineness Std 114q set (20)

Cast Iron (Cu-Ni-Cr) 115a 150 g

Phosphate Rock (Florida) 120c 90 g

Stainless Steel, (Cr 17-Ni 11-Ti 0.3) (AISI 321) 121d 150 g

Cast Iron 122i 150 g

Stainless Steel, Cr-Ni-Nb (AISI 348) 123c 150 g

High-Nickel Steel (36 % Ni) 126c 150 g

Solder, 40Sn-60Pb 127b 150 g

LA Steel, High Sulfur (SAE 112) 129c 150 g

Tool Steel (AISI M2) 132b 150 g

Chromium-Molybdenum Steel 133b 150 g

Tool Steel, Mo-W-Cr-V 134a 150 g

Potassium Dichromate, (Oxidimetric Standard) 136f 60 g

LA Steel, Cr-Ni-Mo (AISI 8640) 139b 150 g

Acetanilide 141d 2 g

Anisic Acid 142 2 g

Cystine 143d 2 g

Nicotinic Acid 148 2 g

Basic Open-Hearth Steel, 0.5% Carbon (Tin Bearing) 152a 150 g

Titanium Dioxide 154c 90 g

LA Steel, Cr-W 155 150 g

Bronze, Silicon 158a 150 g

Stainless Steel (Cr 18-Ni 12-Mo 2) (AISI 316) 160b 150 g

LA Steel, 1.0 C 163 100 g

Glass Sand (Low Iron) 165a 75 g

Stainless Steel, Low-Carbon (AISI 316L) 166c 100 g

Titanium Alloy (6Al-4V) 173c 50 g

0.4C Basic Oxygen Furnace Steel 178 150 g

LA Steel, High Silicon 179 150 g

Fluorspar, High Grade 180 120 g

Lithium Ore (Spodumene) 181 45 g

Lithium Ore (Petalite) 182 45 g

Lithium Ore (Lepidolite) 183 45 g

pH Standards, (set of 186-I-g + 186-II-g) 186g set

Sodium Tetraborate (Borax), pH 187e 30 g

Potassium Hydrogen Tartrate, pH 188 60 g

Potassium Tetroxalate Dihydrate pH Standard 189c 65 g

pH Standards, (set of 191d-I + 191d-II) 191d 1 bottle x25g;1bottlex30g

Potassium Nitrate 193 90 g

Ferrosilicon (75% Si-HP Grade) 195 75 g

Ferrochromium, Low Carbon 196 100 g

Silica Brick 198 45 g

Silica Brick 199 45 g

Potassium Dihydrogen Phosphate, (KH2PO4) 200b 90 g

Toluene Liquid Density 211d 4x5 mL

Tungsten Concentrate 277 100 g

Obsidian Rock 278 35 g

LA Steel, Cr-Mo (ASTM A 213) 291 150 g

LA Steel, Cr-Ni-Mo (AISI 8620) 293 150 g

Copper Ore Mill Heads 330a 1 bottle x 90 g

Copper Ore Mill Tails 331a 40 g

Molybdenum Sulfide Concentrate 333a 1 pouch x 60 g

Gray Cast Iron (Carbon & Sulfur) 334 150 g

White Cast Iron (Carbon & Sulfur) 338 150 g

Stainless Steel, Cr-Ni-Se (SAE 30) 339 150 g

Ductile Cast Iron 341 150 g

Nodular Cast Iron 342a 150 g

Stainless Steel (AISI 431) 343a 150 g

HA Steel, (Mo Precipitation Hardening) 344 150 g

HA Steel, (Cu Precipitation Hardening) 345a 150 g

Valve Steel 346a 150 g

Hi Temp. Alloy, (A286) Ni-Cr 348a 150 g

Waspaloy 349a 150 g

Benzoic Acid (Acidimetric) 350b 30 g

Sodium Carbonate 351a 50 g

AISI 4340 Steel 361 150 g

Chromium-Vanadium Steel (Modified) 363 150 g

LA Steel, High C (mod.) 364 150 g

Carbon Steel (AISI 1211) 368 150 g

Unalloyed Copper VI (chips) 399 50 g

Unalloyed Copper VII (chips) 400 50 g

Molybdenum Oxide Concentrate 423 1 pouch x 60 g

Unalloyed Copper XI (chips) 454 35 g

Unalloyed Copper IV (solid) 457 rod

Beryllium-Copper (17510) 458 50 g

Beryllium-Copper (17200) 459 50 g

Beryllium-Copper (17300) 460 50 g

Tungsten-Molybdenum EPMA 480 disk

Gold-Silver EPMA 481 set (6)

Gold-Copper EPMA 482 set (6)

Unalloyed Copper I (solid) 494 rod

Unalloyed Copper II (solid) 495 rod

Unalloyed Copper V (solid) 498 rod

Unalloyed Copper VI (solid) 499 rod

Unalloyed Copper VII (solid) 500 rod

Bauxite, Australian-Darling Range 600 90 g

Potassium Feldspar 607 5 g

Trace Elements in Glass 610 4 wafers

Trace Elements in Glass 611 4 wafers

Trace Elements in Glass 612 4 wafers

Trace Elements in Glass 613 4 wafers

Trace Elements in Glass 614 4\wafers

Trace Elements in Glass 615 4 wafers

Trace Elements in Glass 616 4 wafers

Trace Elements in Glass 617 4 wafers

Soda Lime, Flat 620 set (3)

Soda-Lime Container 621 set (3)

Soda-Lime Silica (Durability) 622 2.2 kg

Borosilicate (Durability) 623 2.2 kg

Lead-Silica, for dc resistivity 624 200 g

Zinc-Base A 625 block

Zinc-Base B 626 block

Zinc-Base C 627 block

Zinc-Base D 628 block

Zinc-Base E-ASTM AC 41A 629 disk

Zinc Spelter (mod.) 631 block

Portland Cement 633a 4 vials x 5 g

Portland Cement 634a 100 g

Silicon Powder Line Position + Line Shape Std for Powder Dif 640d 7.5 g

Titanium Alloy, 8 Mn (A) 641 disk

Titanium Alloy, 8 Mn (B) 642 disk

Titanium Alloy, 8 Mn (C) 643 disk

Titanium Alloy, Al-Mo-Sn-Zr 647 50 g

Titanium Alloy, Al-Sn-Zr-Cr-Mo 648 50 g

Titanium Alloy, V-Al-Cr-Sn 649 50 g

Unalloyed Titanium A 650 30 g

Titanium Alloy, Al-V 654b disk

Silicon Nitride Powders for Quantitative Analysis 656 2 x 10 g

Particle Size Distribution Standard for Sedigraph Calibration 659 set (5)

Line Position and Line Shape, Std for Powder Diffraction 660b 6 g

Chromium-Vanadium Steel (Modified) 663 5 rods

Electrolytic Iron 665 5 rods

Rutile Ore 670 90 g

Nickel Oxide 1 671 25 g

Nickel Oxide 2 672 25 g

Nickel Oxide 3 673 25 g

X-Ray Powder Diffraction Intensity Set (Quantitative Powder Diffraction Standard) 674b 10.00 g (powder)

Line Position, Mica (XRD) 675 7.5 g

Alumina Powder for Quantitative Analysis by X-ray Diffraction 676a 20 g

Brick Clay 679 75 g

High Purity Platinum 680A-L1 10 cm

High Purity Zinc 682 block

Zinc, Metal 683 block

High Purity Gold (Rod) 685r rod 15g

Basalt Rock 688 60 g

Ferrochromium Silicon 689 100 g pow

Iron Ore Canada 690 100 g

Iron Oxide, Reduced 691 100 g

Iron Ore, Labrador 692 100 g

Iron Ore, Nimba 693 100 g

Phosphate Rock, Western 694 90 g

Trace Elements in Multi-Nutrient Fertilizer 695 70 g

Bauxite, Surinam 696 60 g

Bauxite, Dominican 697 60 g

Bauxite, Jamaican 698 60 g

Alumina (Reduction Grade) 699 60 g

Polystyrene 705a 5 g

Polystyrene 706a 18 g

Extra Dense Lead Glass 709 500 g

Alumina Glass Anneal Pt 714 225 g

Hi Boron Glass Viscosity 717a 450 g

Sapphire Heat Capacity 720 15 g

Tris Acidimetric 723e 50 g

Selenium, Inter-Purity 726 450 g

Zinc, Intermediate Purity 728 450 g

Borosilicate Glass - Thermal Expansion 731l1 5 cm

Borosilicate Glass - Thermal Expansion 731l2 10 cm

Borosilicate Glass - Thermal Expansion 731l3 15 cm

Stainless Steel - Thermal Expansion 738 51 x 6.4 mm

Zinc (Freezing Point) 740a 200 g

Tin (Freezing Point) 741a 200 g

Alumina (Reference Point) 742 10 g

Magnetic Moment Standard Nickel Disk 762 6 mm dia

Magnetic Susceptibility Standard - Platinum Cylinder 764a 3 mm dia. x 3.42 L

Nickel Sphere for Magnetic Moment 772a each

Soda-Lime-Silica (Glass Liquidus) 773 7-2.5cm sq x 0.6cm, ~65g

Lead-Silica (Dielectric Constant) 774 block

Molybdenum (Heat Capacity) 781d2 10 cm

Aluminum Alloy 3004 853a 40 g

Aluminum Alloy 5182 854a 40 g chip

Aluminum Casting Alloy 356 855a 30 g

Aluminum Casting Alloy 380 856a 30 g

Aluminum Alloy 6011 858 35 g

Nickel-based Superalloy 861 50 g

High Temp. Alloy L605 862 100 g

Inconel 600 864 100 g

Inconel 625 865 150 g

Incoloy, 800 866 100 g

Incoloy, 825 867 100 g

High Temp. Alloy Fe-Ni-Co 868 100 g

Column Selectivity Test Mixture for Liquid Chromatography 869b 5 x 1.1 mL

Column Performance Test Mixture of Liquid Chromatography 870 5 x 1.1 mL

Bronze, Phosphor (CDA 521) 871 100 g

Bronze, Phosphor (CDA 544) 872 100 g

Cupro-Nickel, 10% (CDA 706) 874 100 g

Cupro-Nickel, 10% (CDA 706) 875 100 g

Nickel Silver, (CDA 762) 879 100 g

Nickel Silver, (CDA 770) 880 100 g

Alloy Ni-Cu-Al 882 100 g

Refined Copper 885 200 g

Gold, Ore Refractory 886 200 g

Cemented Carbide (W-83,Co-10) 887 100 g

Cemented Carbide (W-64,Co-25,Ta-5) 888 100 g

Cemented Carbide (W-75,Co-9,Ta-5,Ti-4) 889 100 g

Cast Iron, HC250+V 890 150 g

Cast Iron, Ni-Hard, Type I 891 150 g

Cast Iron, Ni-Hard, Type IV 892 150 g

Stainless Steel (SAE 405) 893 150 g

Stainless Steel (SAE 201) 895 150 g

Tracealloy A 897 35 g

Tracealloy C 899 35 g

Antiepilepsy Drugs in Frozen Human Serum 900a 4 vials

Human Serum 909c 3 bottles x 2 mL each

Cholesterol 911c 2 g

Urea-Clinical 912a 25 g

Uric Acid 913a 10 g

Creatinine 914a 10 g

Calcium Carbonate (Clinical Standard) 915b 20 g

D-Glucose (Dextrose) 917c 50 g

Potassium Chloride (Clinical) 918b 30 g

Sodium Chloride (Clinical) 919b 30 g

D-Mannitol 920 50 g

Cortisol (Hydrocortisone) 921 1 g

Lithium Carbonate (Clinical) 924a 30 g

VMA (Clinical) 925 1 g

Magnesium Gluconate 929a 5 g

Liquid Absorbance Filters, UV-VIS 931g set (12)

Potassium Dichromate, UV Absorbance Standard 935a 15 g

Iron Metal (Clinical) 937 50 g

Boric Acid Isotopic Standard 951a 10 g

Neutron Density Monitor Wire 953 1 m

Toxic Metals in Caprine Blood 955c 4 vials

Electrolytes in Frozen Human Serum 956c 6 x 2.0 mL

Glucose in Frozen Human Serum 965b set (8) (2 each conc)

Creatinine in Frozen Human Serum 967a set(4) (2 each conc)

Fat-Sol Vitamins, Carotenoids, and Cholesterol in Human Serum 968e set (3) (1 each conc.)

Ascorbic Acid in Frozen Human Serum 970 set (4) (2 each conc)

Hormones in Frozen Human Serum 971 2 x 5 mL

Boric Acid Acidimetric Standard 973 100 g

Chlorine Isotopic Standard 975a 0.25 g

Bromine Isotopic Standard 977 0.25 g

Silver Isotopic Standard 978a 0.25 g

Chromium Isotopic Standard 979 0.25 g

Magnesium Isotopic Standard 980 0.25 g

Common Lead Isotopic Standard 981 1 g wire

Radiogenic Lead Isotopic Standard 983 1 g wire

Rubidium Assay Isotopic Standard 984 0.25 g

Nickel Isotopic Standard 986 0.5 g

Strontium Carbonate Isotopic Standard 987 1 g

Gallium Isotopic Standard 994 0.25 g

Thallium Isotopic Standard 997 0.25 g

Angiotensin I (Human) 998 0.5 mg

Potassium Chloride (Primary Chemical) 999b 30 g

Glass Beads - Particle Size Distribution 1003c 28 g

Glass Beads - Particle Size Distribution 1004b 43 g

Smoke Density Chamber Standard 1007b set (3)

Microcopy Resolution Test Charts 1010a set (5)

Flooring Radiant Panel 1012 set (3)

Glass (Particle Size) 1017b 70 g

Glass (Particle Size) 1018b 87 g

Glass (Particle Size) 1019b 200 g

Glass ( Particle Size) 1021 4 g

Unalloyed Copper 1034 rod

Leaded-Tin Bronze Alloy 1035 50 g

Smoke Toxicity (Cup Furnace) 1048 8 sheets

Smoke Toxicity (University of Pittsburgh) 1049 150 g

Barium Cyclohexanebutyrate (Metallo-Organic) 1051b 5 g

Bis(1-phenyl-1,3-butanediono)oxovanadium(IV) 1052b 5 g

Cadmium Cyclohexanebutyrate (Metallo-Organic) 1053a 5 g

Tin (Metallo-Organic) 1057b 5 g

Nickel (Metallo-Organic) 1065b 5 g

Silicon (Metallo-Organic) 1066a 5 g

Sodium (Metallo-Organic) 1069b 5 g

Aluminum (Metallo-Organic) 1075a 5 g

Silver (Metallo-Organic) 1077a 5 g

Chromium (Metallo-Organic) 1078b 5 g

Iron (Metallo-Organic) 1079b 5 g

Copper (Metallo-Organic) 1080a 5 g

Cigarette Ignition Strength Standard 1082 1 carton (200 cigarettes)

Wear Metals (Base Oil) 1083 150 mL

Steels, Set (consists of SRMs 1095, 1096, 1097, 1098 and 1099) 1089 5 rods

Ingot Iron, Oxygen 1090 rod

Stainless Steel (AISI 431) 1091a rod

Valve Steel, Oxygen 1093 rod

Maraging Steel 1094 rod

Naval Brass B 1107 disk

Red Brass B 1110 disk

Red Brass C 1111 disk

Gilding Metal A (disk) 1112 disk

Gilding Metal B (disk) 1113 disk

Gilding Metal C (disk) 1114 disk

Commercial Bronze A (disk) 1115 disk

Commercial Bronze B (disk) 1116 disk

Commercial Bronze C (disk) 1117 disk

Free Cutting Brass (UNS C36000) 1124 1 disk

Ti Alloy, V-Al-Cr-Sn 1128 disk

Solder (63Sn-37Pb) 1129 200 g

Solder (60Pb-40Sn) 1131 disk

Bearing Metal (Pb-Sn) 1132 disk

LA Steel, High Silicon 1134 disk

LA Steel, High Silicon 1135 disk

Cast Steel (No. 1) 1138a disk

Cast Steel (No. 2) 1139a disk

Stainless Steel Cr 18-Ni 12-Mo 2 (AISI 316) 1155 disk

Specialty Steel, Tool (AISI M2) 1157 disk

High-Nickel Steel (36% Ni) 1158 disk

Elec/Mag Ni-Fe 1159 disk

Elec/Mag Ni-Mo-Fe 1160 disk

Stainless Steel Cr 17-Ni 11-Ti 0.3 (AISI 321) 1171 disk

Stainless Steel Cr 17-Ni 11-Nb 0.6 (AISI 348) 1172 disk

Ni-Cr-Mo-V Steel 1173 disk

Standard Cigarette for Ignition Resistance Testing 1196 2 cartons(400 cigarettes)

Fabric Smoldering Ignition Testing Materials 1202 1 box

Carbon Modified Silica 1216 3 x 1g

LA Steel, High Silicon 1218 disk

Stainless Steel Cr-Ni (AISI 431) 1219 disk

Chromium Steel 1223 disk

LA Steel, Carbon (AISI 1078) 1224 disk

LA Steel (AISI 4130) 1225 disk

LA Steel 1226 disk

LA Steel, Basic Open Hearth, 1% C 1227 disk

LA Steel, 0.1% C 1228 disk

High Temp. Alloy, A286 1230 disk

Aluminum Alloy 3004 1240c disk

Aluminum Alloy 5182 1241c disk

High Temp. Alloy L-605 1242 disk

Ni-Cr-Co Alloy UNS N07001 (disk form) 1243 disk

Inconel 600 1244 disk

Incoloy? 800 1246 disk

Incoloy? 825 1247 disk

Nickel-based Superalloy 1249 disk

High Temp. Alloy Fe-Ni-Co 1250 disk

LA Steel (Ca only) 1254 disk

Aluminum Alloy 356 1255b disk

Aluminum Alloy 380 1256b disk

Aluminum Alloy 6011 1258-I disk

Aluminum Alloy 7075 1259 disk

LA Steel, High Carbon (mod.) 1264a disk

Electrolytic Iron 1265a disk

Line Pipe (AISI 1526 mod.) 1269 disk

LA Steel, Cr-Mo (A336) (F-22) 1270 disk

LA Steel (HSLA-100) 1271 disk

Cupro-Nickel (CDA 715) 1276a disk

Low Alloy Steel (HY 80) 1286 disk

Stainless Steel (SAE 405) 1295 disk

Stainless Steel (SAE 201) 1297 disk

Coating Thickness Standard, (Nonmagnetic Coating on Steel) 1358b set (4)

Coating Thickness Standard (Nonmagnetic Coating on Steel 1361b set (4)

Coating Thickness Standard (Nonmagnetic Coating on Steel 1362b set (4)

Bone Ash 1400 50 g

Soft Borosilicate Glass 1411 set (10)

Glass Sand (High Alumina) 1413 75 g

Aluminosilicate Glass for Liquidus Temperature 1416 250 g

Thermal Resistance - Fumed Silica Board 1449 each

Thermal Conductivity, Fibrous Glass Board 1450d each

Thermal Resistance - Fibrous Glass Blanket for High Precison Measurements 1452 each

Superconducting Nb-Ti Wire 1457 each

Thermal Resistance - Fumed Silica Board 1459 each

Low Density Polyethylene Resin 1473b 60 g

Polyethylene Resin 1474a 60 g

Polyethylene, Linear 1475a 50 g

Branched Polyethylene Resin 1476a 12 g

Polystyrene, Narrow Mol. Wt. 1478 2 g

Polystyrene, Narrow Mol. Wt. 1479 2 g

Polyethylene, Linear 1484a 0.3 g

Bone Meal 1486 50 g

Poly (methyl methacrylate) 1487 2 g

Poly (methyl methacrylate) 1488 2 g

Poly (methyl methacrylate) 1489 2 g

Methyl-Substituted Polycyclic Aromatic Hydrocarbons in Toluene 1491a 5 x 1.2 mL

Chlorinated Pesticides/Hexane 1492 5 x 1.2 mL

PCB Congeners 1493 5 x 1.2 mL

Aliphatic Hydrocarbons 1494 5 x 1.2 mL

Polyethylene Gas Pipe Resin 1496 0.9 kg

THC-COOH in Freeze-Dried Urine 1507b set (3)

Benzoylecgonine (Cocaine Metabolite) in Freeze-dried Urine 1508a set (4)

Thermal Analysis Purity Set (DSC) 1514 set (4)

Apple Leaves 1515 50 g

GC/MS System Performance 1543 4 x 1 mL

Fatty Acids/Cholesterol in Frozen Diet Composite 1544 4x15 g

Meat Homogenate 1546 4x85 g

Peach Leaves 1547 50 g

Typical Diet 1548a set (2)

Oyster Tissue 1566b 25 g

Trace Elements in Spinach Leaves 1570a 60 g

Tomato Leaves 1573a 50 g

Trace Elements in Pine Needles 1575a 50 g powder

Bovine Liver 1577c 20 g

Organics in Shale Oil 1580 5 x 1.2 mL

Petroleum Crude Oil 1582 5 x 1.2 mL

Priority Pollutant Phenols in Methanol 1584 5 x 1.2 mL

Isotope Label Pollutants 1586 6 x 2 mL

Organics in Fish Oil 1588c 5 ampoules x 1.2mL

Tripalmitin 1595 2 g

Dinitropyrene Isomers and 1-Nitropyrene in Methylene Chloride 1596 5 x 1.3 mL

Complex Mixture of Polycyclic Aromatic Hydrocarbons Coal Tar 1597a 3 x 1.3 mL

Inorganic Constituents in Animal Serum 1598a 2 vials

2 Anticonvulsant Drugs 1599 set (4)

Dioxin in Isooctane 1614 6 x 1.2 mL

Sulfur in Kerosene (Low Level) 1616b 100 mL

Sulfur in Residual Fuel Oil (0.7%) 1619b 100 mL

Sulfur in Residual Fuel Oil (4%) 1620c 100 mL

Sulfur in Residual Fuel Oil (1%) 1621e 100 mL

Sulfur in Residual Fuel Oil (2 %) 1622e 100 mL

Sulfur in Diesel Fuel Oil, 0.4% 1624d 100 mL

Trace Elements in Coal, (Bituminous) 1632d 50 g

Trace Elements in Coal Fly Ash 1633c 75 g

Trace Elements in Coal, (Subbitumimous) 1635a 50 g

Halocarbons (in Methanol) 1639 5 x 1.2 mL

Trace Elements in Natural Water 1640a 1 bottle x 250 mL

Mercury In Water 1641d 10x10 mL

Trace Elements in Water 1643e 250 mL

Estuarine Sediment 1646a 70 g

Priority Pollutant PAHs (in Acetonitrile) 1647e set (5)

Urban Particulate Matter 1648a 2 g

Urban Dust 1649b 2 g

Diesel Particulate Matter 1650b 200 mg

Potassium Chloride, KCl (cr) for Solution Calorimetry 1655 30 g

Thianthrene Combustion Calorimetry 1656 30 g

Synthetic Refuse-Derived Fuel 1657 100 g

Methane in Air (Nominal 1 umol/mol) 1658a cylinder

Methane and Propane in Air (Nominal: Methane 4 μmol/mol; Propane 1 μmol/mol) 1660a cylinder

Sulfur Dioxide in Nitrogen (Nominal 1000 μmol/mol) 1662a cylinder

Sulfur Dioxide in Nitrogen (Nominal 1500 μmol/mol) 1663a cylinder

Sulfur Dioxide in Nitrogen (Nominal 2500 μmol/mol) 1664a cylinder

Propane in Air (Nominal 3 μmol/mol) 1665b cylinder

Propane in Air (Nominal 10 μmol/mol) 1666b cylinder

Propane in Air (Nominal 50 μmol/mol) 1667b cylinder

Propane in Air (Nominal 100 μmol/mol) 1668b cylinder

Propane in Air (Nominal 500 μmol/mol) 1669b cylinder

Carbon Dioxide in Nitrogen (Nominal 7 % mol/mol) 1674b cylinder

Carbon Monoxide in Nitrogen (Nominal 10 μmol/mol) 1677c cylinder

Carbon Monoxide in Nitrogen (Nominal 100 μmol/mol) 1679c cylinder

Carbon Monoxide in Nitrogen (Nominal 500 μmol/mol) 1680b cylinder

Carbon Monoxide in Nitrogen (Nominal 1000 μmol/mol) 1681b cylinder

Nitric Oxide in Nitrogen (Nominal 50 μmol/mol) 1683b cylinder

Nitric Oxide in Nitrogen (Nominal 100 μmol/mol) 1684b cylinder

Nitric Oxide in Nitrogen (Nominal 250 μmol/mol) 1685b cylinder

Nitric Oxide in Nitrogen (Nominal 500 μmol/mol) 1686b cylinder

Nitric Oxide in Nitrogen (Nominal 1000 μmol/mol) 1687b cylinder

Sulfur Dioxide in Nitrogen (Nominal 50 μmol/mol) 1693a cylinder

Sulfur Dioxide in Nitrogen (Nominal 100 μmol/mol) 1694a cylinder

Sulfur Dioxide in Nitrogen (Nominal 3500 μmol/mol) 1696a cylinder

Aluminum Alloy 3004 1710 disk

Aluminum Alloy 3004 1711 disk

Aluminum Alloy 3004 1712 disk

Aluminum Alloy 5182 1713 disk

Aluminum Alloy 5182 1714 disk

Aluminum Alloy 5182 1715 disk

Anode Tin 1727 block

Tin Alloy (Sn-3Cu-0.5Ag) 1728 1 disc

Tin Alloy (97Sn-3Pb) 1729 1 disc

Zinc-Aluminum Alloy 1736 disk

Zinc-Aluminum Alloy 1737 disk

Zinc-Aluminum Alloy 1738 disk

Zinc-Aluminum Alloy 1739 disk

Zinc-Aluminum Alloy 1740 disk

Zinc-Aluminum Alloy 1741 disk

Zinc-Aluminum Alloy 1742 disk

Indium (Freezing Point) 1745 200 g

Silver (Freezing Point) 1746 300 g

Tin Freezing Point Cell 1747 each

Zinc Freezing Point Cell 1748 each

Gold vs. Platinum Thermocouple Thermometer 1749 each

Standard Platinum Resistance Thermometer 1750 each

Gallium Melting-Point 1751 200 g

Steel (AISI 4320) 1754 rod

Nitrogen in Low Alloy Steel 1755 disk

Low Alloy Steel 1761a disk

Low Alloy Steel 1762a disk

Low Alloy Steel 1763a disk

Low Alloy Steel 1764a disk

Low Alloy Steel 1765 disk

Low Alloy Steel 1766 disk

Low Alloy Steel 1767 disk

High-Purity Iron 1768 disk

Tool Steel (S-7) 1772 disk

MP 35N Refractory Alloy 1775 disk

Eighteen Non-Methane Hydrocarbon Compounds in Nitrogen (Nominal 5 nmol/mol) 1800b 6 L Water Volume Cyl

Linerboard 1810a 50 each

n-Heptane (Fuel Rating) 1815a 100 mL

Isooctane (Fuel Rating) 1816a 100 mL

Chlorine in Lub. Base Oil 1818a set (5)

Sulfur in Lub. Base Oil 1819a set (5)

Ethanol-Water Solutions 1828b 6 x 1.2 mL

Alcohols in Reference Fuels 1829 set (6)

Soda Lime Float Glass 1830 3 platelets

Soda Lime Sheet Glass 1831 3 platelets

Fused Ore (Glass) 1834 disk

Borate Ore 1835 60 g

Methanol and Butanol (in Gasoline) 1837 5 x 20 mL

Ethanol (in Gasoline) 1838 5 x 20 mL

Methanol (in Gasoline) 1839 5 x 20 mL

Ethanol-Water Solutions 1847 6 x 10 mL

Lubricating Oil Additive Package 1848 100 g

Infant/Adult Nutritional Formula 1849a 10 packets x 10 g each

Tool Steel for Abrasive Wear 1857 2 blocks

Beryllium Oxide Powder 1877 20 g

Respirable Cristobalite 1879a 5 g

Portland Cement 1880b 4 vials x 5 g

Portland Cement 1881a 4x5 g

Calcium Aluminate Cement 1882a 4x5 g

Calcium Aluminate Cement 1883a 4x5 g

Portland Cement 1884b 5 vials x 4.5 g

Portland Cement (White Portland Cement with Low Iron) 1886a 4 x 5 g

Portland Cement 1887b 5 vials x 5 g each

Portland Cement 1888b 4 vials x 5 g

Portland Cement (Blended with Limestone) 1889a 4 x 5 g

Copper Microhardness Test Block (Knoop) 1893 each

Microhardness Cu-Vickers 1894a each

Nickel Microhardness Test Block (Knoop) 1895 each

Microhardness Ni-Vickers 1896b each

Titanium Dioxide Nanomaterial 1898 15 g

Specific Surface Area Standard 1900 4 g

Microhardness, Ni-Knoop 1905 each

Microhardness, Ni-Knoop 1906 each

Microhardness, Ni-Knoop 1907 each

Vickers Microhardness of Nickel 1908 each

Vickers Microhardness of Nickel 1909 each

Mercury Porosimetry Standard 1917 10 g

Mercury Porosimeter Intrusion Standard 1918 12 g

IR Transmission Wavelength (Polystyrene Film) 1921b 1 card

Liquid Refractive Index - Mineral Oil 1922 30 mL

Fluorescein Solution 1932 3 x 2 ML

Potassium Dichromate Solution/UV Absorbance Standard 1935a set (10)

PCBs in River Sediment A 1939a 50 g

Organics in Marine Sediment 1941b 50 g

New York/New Jersey Waterway Sediment 1944 50 g

Organics in Whale Blubber 1945 2x15 g

Lake Superior Fish Tissue 1946 5 x 7-9 grams

Lake Michigan Fish Tissue 1947 5 x 8 grams

Metabolites in Human Plasma 1950 5 vials @ 1.0 mL each

Organic Contaminants in Non-Fortified Human Milk 1953 5 vials x 5 mL

Organic Contaminants in Fortified Human Milk 1954 5 vials x 5 mL

Homocysteine and Folate in Frozen Human Serum 1955 set (3) (1 each conc)

Organic Contaminants in Non-Fortified Human Serum 1957 5 vials x 10 mL

Organic Contaminants in Fortified Human Serum 1958 5 vials x 10 mL

Drugs of Abuse in Frozen Human Serum 1959 2 vials x 5 mL

Polystyrene Spheres (30 μm Diameter Particle Size) 1961 5 mL

Nominal 100 nm Diameter Polystyrene Spheres 1963a 5 mL

Nominal 60 nm Diameter Polystyrene Spheres 1964 5 mL

Polystyrene Spheres (on Slide) (10 μm Particle Size) 1965 slide

Pt Thermocouple Wire 1967 1 m

Gallium Melting Point 1968 each

Rubidium Triple Point 1969 each

Succinonitrile Triple Point 1970 each

Indium Freezing-Point 1971 each

1,3-Dioxolan-2-one Triple Point 1972 60 g

Organics in Mussel Tissue, (Mytilus edulis) 1974c 5 jars x 10 g

Diesel Particulate Extract 1975 4x1.2 mL

Instrument Response Std for, X-Ray Powder Diffraction 1976b 1 disc

Zirconium Oxide (Particle Size) 1978 5 g

Positive Electrophoretic Mobility 1980 500 mg/L

Zirconia Thermal Spray Powder 1982 10 g

Thermal Spray Powder - Particle Size Distribution Tungsten Carbide/Cobalt (Acicular) 1984 14 g

Thermal Spray Powder - Particle Size Distribution Tungsten Carbide/Cobalt (Spheroidal) 1985 14 g

Lattice Parameter/Single, Crystal (Ruby Spheres) 1990 3 spheres

Standard Silicon Single Crystal Wafer for Crystalline Orientation 1994 100-mm wafer

Standard Sapphire Single Crystal Wafer for Crystalline Orientation 1995 50-mm wafer

Calibration Standard for High-Resolution X-Ray Diffraction 2000 1 block

Calibration Standard for High Resolution X Ray Diffraction 2012 wafer

Near Infrared Wavelength/Wavenumber 2035a each

Near-IR Wavelength/Wavenumber Reflection 2036 each

Solvent Red 24 Diesel Fuel Dye 2037 100 mg powder

Ti Alloy, Al-Nb-W 2061 cube

K-411 Glass Microspheres 2066 50 mg

Sinusoidal Roughness 2073a each

Dimensional Standard for Medical Computed Tomography 2087 each

Low-Energy Charpy V-Notch Impact Specimen (NIST-Verification) 2092 set

Low Energy Charpy V-Notch Impact Specimen (Self- Verification) 2093 5 bars

High-Energy Charpy V-Notch Impact Specimen (NIST-Verification) 2096 set

High Energy Charpy V Notch Impact Specimen (Self-Verification) 2097 5 bars

Fracture Toughness of Ceramic 2100 5 bars

Dynamic Impact Force Verific Specimens (Nominal 24kN) 2112 set of four

Dynamic Impact Force Verific, Specimens (Nominal 33kN) 2113 set of four

Low Energy Izod Impact Specimen (NIST-Verification) 2115 set

Phosphorus Implant in Si Depth Profile 2133 each

Arsenic in Silicon 2134 each

Ni-Cr Thin Film Depth Profile 2135c each

B Implant in Si Depth Profile 2137 each

Zinc-Aluminum Alloy 2139 100 g

Urea 2141 2 g

p-Fluorobenzoic Acid 2143 2 g

m-Chlorobenzoic Acid 2144 2 g

Nicotinic Acid (Combustion Calorimetric Standard) 2151 25 g

Urea (Combustion Calorimetric Standard) 2152 25 g

LA Steel, Carbon & Sulfur only 2159 200 g

LA Steel, Carbon & Sulfur only 2160 200 g

Low Alloy Steel 2165 150 g

LA Steel, F 2166 150 g

LA Steel, G 2167 150 g

High Purity Iron 2168 150 g

LA Steel, (HSLA 100) 2171 150 g

S-7 Tool Steel 2172 150 g

MP 35N Refractory Alloy 2175 150 g

HEPES Free Acid 2181 60 g

NaHEPESate 2182 60 g

MOPSO Free Acid 2183 50 g

NaMOPSOate 2184 50 g

Pot. Hydrogen Phthalate 2185 60 g

Potassium Dihydrogen Phosphate 2186i 30 g

Disodium Hydrogen Phosphate 2186-II 30 g

Sodium Bicarbonate 2191a 30 g

Sodium Carbonate 2192a 30 g

Calcium Carbonate pH Standard 2193a 30 g

Sodium Chloride (Ion-Selective) 2201 125 g

Potassium Fluoride (Ion-Selective Electrodes) 2203 125 g

Controlled Pore Glass - BET Specific Surface Area (300nm) 2206 5 g

Controlled Pore Glass - BET Specific Surface Area (18nm) 2207 5 g

Isooctane Liquid Density 2214 4x5 mL

Mercury (Differential Scanning Calorimeters) 2225 2.5 g

Indium DSC Calibration Standard - Temperature and Enthalpy of Fusion 2232 1 g

Gallium for Thermal Analysis 2234 approximately 2 g

Bismuth for Thermal Analysis 2235 1.5 g

Relative Intensity Correction Standard for Raman Spectroscopy: 785 nm Excitation 2241 each

Relative Intensity Correction Standard for Raman Spectroscopy: 1064 nm Excitation 2244 each

Relative Intensity Correction Standard for Raman Spectroscopy: 633 nm Excitation 2245 each

Relative Intensity Correction Standard for Raman Spectroscopy: 830 nm Excitation 2246 each

PBDE Congeners in 2,2,4-Trimethylpentane 2257 5 x 1.2 mL

BDE 209 in 2,2,4-Trimethylpentane 2258 5 x 1.2 mL

PCB Congeners in 2,2,4-Trimethylpentane 2259 5 ampoules x 1.2 mL

Aromatic Hydrocarbon in Toluene 2260a 5 x 1.2 mL

Chlorinated Pesticides in Hexane 2261 5 x 1.2 mL

Chlorinated Biphenyl Cogeners in Isooctane 2262 5 x 1.2 mL

Nitrated Aromatic Hydrocarbons in Methylene Chloride I 2264 5 x 1.2 mL

Nitrated Polycyclic Hyrocarbons in Methylene Chloride II 2265 5 x 1.2 mL

Hopanes and Steranes in, 2,2,4 Trimethylpentane 2266 5 x 1.2 mL

Deuterated Levoglucosan in Ethyl Acetate 2267 5 x 1.2 mL

Carbon-13 Labeled Levoglucosan in Ethyl Acetate 2268 5 x 1.2 mL

Perdeuterated PAH-I Solution in Hexane/Toluene 2269 5x1.2 mL

Perdeuterated PAH-II Solution in Hexane/Toluene 2270 5x1.2 mL

Chlorinated Pesticides (DDTs) and Metabolites in Isooctane 2273 5x1.2 mL

PCB Congener Solution-II in Isooctane 2274 5x1.2 mL

Chlorinated Pesticide Solution-II in Isooctane 2275 5x1.2 mL

Three Planar Polychlorinated Biphenyl (PCB) Congeners in Isooctane 2276 5x1.2 mL

Arson Test Mixture in Methylene Chloride 2285 5 x 1.2 mL

Ethanol (in Gasoline) 2286 set (3)

Ethanol (in Gasoline) 2287 set (3)

t-Amyl-methyl Ether (in Gasoline) 2288 set (3)

t-Amyl-methyl Ether (in Gasoline) 2289 set (3)

Ethyl-t-butyl Ether (in Gasoline) 2290 set (3)

Ethyl-t-butyl Ether (in Gasoline) 2291 set (3)

Methyl-t-butyl Ethyl (in Gasoline) 2293 set (3)

Reformulated Gasoline (nominal 11% MTBE) 2294 2 x 20 mL

Reformulated Gasoline (nominal 15% MTBE) 2295 2 x 20 mL

Reformulated Gasoline (nominal 13% ETBE) 2296 2 x 20 mL

Reformulated Gasoline (nominal 10% Ethanol) 2297 2 X 20 mL

Sulfur in Gasoline (High-Octane) 2298 5x20 mL

Sulfur in Gasoline (Reformulated) 2299 5x20 mL

Sn-Pb Alloy Coating 2321 each

Cytomegalovirus (CMV) for DNA Measurements 2366 3 vials

Human DNA Quantitation Standard 2372 set (3 x 1 each)

Fatty Acid Methyl Esters in, 2,2,4-Trimethylpentane 2377 5 x 1.2 mL ampoules

Drugs of Abuse in Human Hair I 2379 100 mg

Drugs of Abuse in Human Hair II 2380 100 mg

Morphine and Codeine in Urine 2381 set (4)

Morphine Glucuronide in Urine 2382 set (4)

Baby Food Composite 2383a 4 X 70 g

Baking Chocolate 2384 5 X 91 g

Slurried Spinach 2385 4x70 g

Peanut Butter 2387 3 x 170 g

Amino Acids in 0.1 mol/L Hydrochloric Acid 2389a 5 x 1.2 mL

PCR Based DNA Profiling Standard 2391c 6 vials

Mitochondrial DNA Sequencing 2392 set (3)

Mitochondrial DNA Sequencing 2392-I each

CAG Repeat Length Mutation in Huntington's Disease 2393 set (6)

Heteroplasmic Mitochondrial DNA Mutation Detection Std 2394 set (10)

Human Y-Chromosome DNA Profiling Standard 2395 set (6)

Oxidative DNA Damage Mass Spectrometry Standards 2396 set (10)

55 % Aluminum - Zinc Alloy 2426 40 g chip

Scheelite Ore 2430 100 g

Titanium Base Alloy 2431 50 g

Titanium Base Alloy 2432 50 g

Titanium Alloy 2433 50 g

Fine Carbon (Activated) - From Cyanide Ore Leaching 2451 100 g

Hydrogen In Titanium Alloy 2452 10 g

Hydrogen In Titanium Alloy 2454 10 g

Standard Bullet 2460 each

Standard Cartridge Case 2461 1 each

Single-Wall Carbon Nanotubes (Raw Soot) 2483 250 mg

Non-Newtonian Polymer Solution for Rheological Measurements 2490 100 mL

Bingham Paste Mixture for Rheological Measurements 2492 kit for two batches

Wavelength Calibration Reference for 1560 nm to 1595 nm (Carbon Monoxide C-12/O-16) 2514 each

Wavelength Calibration Reference for 1595 nm to 1630 nm (Carbon Monoxide C-13/O-16) 2515 each

High Resolution Wavelength Calibration Reference for 1510–1540 nm Acetylene 12C2H2 2517a each

Polarization Mode Dispersion 2518 each

High Resolution Wavelength Calibration Reference for 1530-1565 nm Hydrogen Cyanide 2519a each

Optical Fiber Diameter 2520 each

Pin Gage for Optical Fiber Ferrul 2522 each

Optical Fiber Ferrule Geometry 2523 each

Polarization-Mode Dispersion (Non-Mode-Coupled) 2538 each

Silicon Resistivity 2541 each

Silicon Resistivity 2543 each

Silicon Resistivity 2546 each

Recycled Pellet (Autocatalyst) 2556 70 g

Recycled Monolith (Autocatalyst) 2557 70 g

Lead Paint Films for Children's Products 2569 8 sheets

Lead Paint Film, White/Blank Nominal <0.001 mg/cm2 2570 1 film

Lead Paint Film (Yellow), Nominal 3.5 mg/cm2 2571 1 +blank

Lead Paint Film (Orange), Nominal 1.6 mg/cm2 2572 1 +blank

Lead Paint Film (Red), Nominal 1.0 mg/cm2 2573 1 +blank

Lead Paint Film (Gold), Nominal 0.7 mg/cm2 2574 1 +blank

Lead Paint Film (Green), Nominal 0.3 mg/cm2 2575 1 +blank

Lead Paint Film, High Level 2576 1 +blank

Lead Paint Films for Portable XRF Analyzers 2579a set (6)

Powdered Paint Nominal 4% Lead 2580 30 g

Powdered Paint Nominal 0.5 % Lead 2581 35 g

Powdered Paint Nominal 200mg/kg Lead 2582 20 g

Trace Elements in Indoor Dust 2583 8 g

Trace Elements in Indoor Dust 2584 8 g

Organic Contaminants in House Dust 2585 10 g

Trace Elements in Soil (contains lead from paint) 2586 55 g

Trace Elements in Soil (contains lead from paint) 2587 55 g

Powdered Paint Nominal 10% Lead 2589 35 g

Carbon Monoxide in Air (Nominal 20 μmol/mol) 2613a cylinder

Carbon Monoxide in Air (Nominal 42 μmol/mol) 2614a cylinder

Carbon Dioxide in Nitrogen (Nominal 500 μmol/mol) 2617 cylinder

Carbon Dioxide in Nitrogen (Nominal 1.0 % mol/mol) 2620a cylinder

Carbon Dioxide in Nitrogen (Nominal 1.5 % mol/mol) 2621a cylinder

Carbon Dioxide in Nitrogen (Nominal 2.0 % mol/mol) 2622a cylinder

Carbon Dioxide in Nitrogen (Nominal 3.0 % mol/mol) 2624a cylinder

Carbon Dioxide in Nitrogen (Nominal 3.5 % mol/mol) 2625a cylinder

Nitric Oxide in Nitrogen (Nominal 20 μmol/mol) 2629a each

Nitric Oxide in Nitrogen (Nominal 1500 μmol/mol) 2630 each

Carbon Monoxide in Nitrogen (Nominal 250 μmol/mol) 2636a cylinder

Carbon Monoxide in Nitrogen (Nominal 2500 μmol/mol) 2637a cylinder

Carbon Monoxide in Nitrogen (Nominal 5000 μmol/mol) 2638a cylinder

Carbon Monoxide in Nitrogen (Nominal 1 % mol/mol) 2639a cylinder

Carbon Monoxide in Nitrogen (Nominal 2 % mol/mol) 2640a cylinder

Carbon Monoxide in Nitrogen (Nominal 4 % mol/mol) 2641a cylinder

Carbon Monoxide in Nitrogen (Nominal 8 % mol/mol) 2642a cylinder

Propane in Nitrogen (Nominal 250 μmol/mol) 2644a cylinder

Propane in Nitrogen (Nominal 1000 μmol/mol) 2646a cylinder

Propane in Nitrogen (Nominal 2500 μmol/mol) 2647a cylinder

Oxygen in Nitrogen (Nominal 2 % mol/mol) 2657a cylinder

Oxygen in Nitrogen (Nominal 10 % mol/mol) 2658a cylinder

Oxygen in Nitrogen (Nominal 21 % mol/mol) 2659a cylinder

Total Oxides of Nitrogen (NOx) in Air (Nominal 100 μmol/mol) 2660a cylinder

Toxic Elements in Frozen Human Urine 2668 Set (10) (5 each conc)

Arsenic Species in Frozen Human Urine 2669 Set (10) (5 each conc.)

Toxic Elements in Urine (Freeze-Dried) 2670a set (4) (2 each conc)

Membrane Blank Filter 2678 set (10)

Ashless Blank Filter 2681 set (10)

Bituminous Coal (Sulfur, Mercury, and Chlorine) 2683c 50 g

Portland Cement Clinker 2686a 4 x 7 g

Portland Cement Clinker 2687 3 x 10 g

Portland Cement Clinker 2688 3 x 10 g

Coal Fly Ash 2689 set (3)

Coal Fly Ash 2690 set (3)

Coal Fly Ash 2691 set (3)

Bituminous Coal (Sulfur, Mercury and Chlorine) 2692c 50 g

Bituminous Coal (Sulfur, Mercury, and Chlorine) 2693 50 g

Fluoride in Vegetation 2695 2 x 25 g (1 ea conc)

Silica Fume 2696 70 g

Hexavalent Chromium in Contaminated Soil (High Level) 2701 75 g

Inorganics in Marine Sediment 2702 50 g

Sediment for Solid Sampling (Small, Sample) Analytical Techniques 2703 5 g

San Joaquin Soil 2709a 50 g

Montana I Soil 2710a 50 g

Montana II Soil 2711a 50 g

Sulfur in Gasoline (<1 mg/kg) 2716 5 ampoules x 20 mL

Sulfur in Residual Fuel Oil (3%) 2717a 100 mL

Calcined Petroleum Coke 2719 50 g

Sulfur in Di-n-Butyl Sulfide 2720 5 x 4.5 mL

Crude Oil (Light -Sour) 2721 5X10 mL

Crude Oil (Heavy Sweet) 2722 5X10 mL

Hydrogen Sulfide in Nitrogen (Nominal 20 μmol/mol) 2731 cylinder

Nitric Oxide in Nitrogen (Nominal 800 μmol/mol) 2735 cylinder

Nitric Oxide in Nitrogen (500 nmol/mol) 2737 cylinder

Nitric Oxide in Nitrogen (Nominal 1000 nmol/mol) 2738 cylinder

Carbon Monoxide in Nitrogen (Nominal 13 % mol/mol) 2741a cylinder

Methane in Air (Nominal 50 μmol/mol) 2750 cylinder

Propane in Air (Nominal 100 nmol/mol) 2765 cylinder

Sulfur in Diesel Fuel Oil (40 mg/kg) 2770 10 x 10 mL

Sulfur in Diesel Fuel Blend Stock 2771 1 bottle x 100 mL

B100 Biodiesel (Soy-Based) 2772 5 ampoules x 10 mL each

B100 Biodiesel (Animal-Based) 2773 5 ampoules x 10 mL each

Foundry Coke 2775 50 g

Furnace Coke 2776 50 g

Gulf of Mexico Crude Oil 2779 5 ampoules x 1.2mL

Hard Rock Mine Waste 2780 50 g

Domestic Sludge 2781 40 g

Industrial Sludge 2782 70 g

Air Particulate on Filter Media 2783 2 +2 Blnk (47 mm dia)

Fine Particulate Matter (<4 μm) 2786 1 bottle

Fine Particulate Matter ( <10 μm) 2787 1 bottle

Vickers Microhardness of Nickel 2798a each

Rockwell C Hardness, High Range 2812 each

Rockwell Hardness 15N Scale Low Range (Nominal 72 HR 15N) 2816 1 block

Rockwell Hardness 15N Scale Mid Range (Nominal 83 HR 15N) 2817 1 block

Rockwell Hardness 15N Scale,High Range (Nominal 91 HR 15N) 2818 1 block

Rockwell Hardness 30N Scale Low Range (Nominal 45 HR30N) 2819 1 block

Rockwell Hardness 30N Scale Mid Range (Nominal 64 HR30N) 2820 1 block

Rockwell Hardness 30N Scale High Range (Nominal 79 HR30N) 2821 1 block

Vickers Microhardness of Steel 2829 1 block

Microhardness, Ceramic-Knoop 2830 each

Vickers Hardness, Ceramics and Hardmetals 2831 each

Semiconductor Thin Film: AlxGa1-xAs Epitaxial Layers 2841 disk

Semiconductor Thin Film: A1xGa1-xAs Epitaxial Layers 2842 disk

Magnetic Moment Standard - Yttrium Iron Garnet Sphere 2853 ea

Additive Elements in Polyethylene 2855 3 bottles

Relative Permittivity and Loss Tangent, 1422 Cross-Linked Polystyrene 2870 circular-cylindrical puck

Polystyrene Absolute Molecular Mass Distribution Standard 2881 0.3 g

Water Saturated 1-Octanol 2890 5 x 2 mL

Ethanol-Water Solution (nom., 0.02 %) 2891 5 x 1.2 mL

Ethanol-Water Solution (nom., 0.04 %) 2892 5 x 1.2 mL

Ethanol-Water Solution (nom., 0.08 %) 2893 5 x 1.2 mL

Ethanol-Water Solution (nom., 0.1 %) 2894 5 x 1.2 mL

Ethanol-Water Solution (nom., 0.2 %) 2895 5 x 1.2 mL

Ethanol-Water Solution (nom., 0.3 %) 2896 5 x 1.2 mL

Ethanol-Water Solution, (nom. 6%) 2898 5 x 10 mL

Ethanol-Water Solution, (nominal 25 % by mass) 2899a 5 ampoules x 10 mL

Ethanol-Water Solution, (nominal 95.6%) 2900 10 mL

Trace Explosives Calibration Solutions 2906 3 sets of 4 ampoules

Trace Terrorist Explosives Simulants 2907 2 bottles

Human Cardiac Troponin Complex 2921 5x115 uL

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Orange Emission 412 nm 2940 each(12.5 x 12.5 x 45)mm

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Green Emission 427 nm 2941 each(12.5 x 12.5 x 45)mm

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Ultraviolet Emission 310.0 nm 2942 each(12.5 x 12.5 x 45)mm

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Blue Emission 2943 each(12.5 x 12.5 x 45)mm

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Red Emission 2944 510.0 nm

Respirable Alpha Quartz on Filter Media, 10-500 μg 2950 30 filters plus 30 blanks

Respirable Alpha Quartz on Filter Media, 5 μg 2951 5 filters plus 5 blanks

Respirable Alpha Quartz on Filter Media, 10 μg 2952 5 filters plus 5 blanks

Respirable Alpha Quartz on Filter Media, 50 μg 2954 5 filters plus 5 blanks

Respirable Alpha Quartz on, Filter Media, 100 μg 2955 5 filters plus 5 blanks

Respirable Alpha Quartz on Filter Media, 250 μg 2956 5 filters plus 5 blanks

Respirable Alpha Quartz on Filter Media, 500 μg 2957 5 filters plus 5 blanks

Respirable Alpha Quartz on Filter Media, 1000 μg 2958 5 filters plus 5 blanks

Respirable Cristobalite on Filter Media, 5 ug - 250 ug 2960 30 filters plus 30 blanks

Respirable Cristobalite on Filter Media, 5 ug 2961 5 filters plus 5 blanks

Respirable Cristobalite on Filter Media, 10 ug 2962 5 loaded plus 5 blanks

Respirable Cristobalite on Filter Media, 20 ug 2963 5 loaded plus 5 blanks

Respirable Cristobalite on Filter Media, 50 ug 2964 5 loaded plus 5 blanks

Respirable Cristobalite on Filter Media, 100 ug 2965 5 loaded plus 5 blanks

Respirable Cristobalite on Filter Media, 250 ug 2966 5 loaded plus 5 blanks

Respirable Cristobalite on Filter Media, 500 ug 2967 5 loaded plus 5 blanks

25-Hydroxyvitamin D2 and D3 Calibration Solutions 2972 10 ampoules x 1.2 mL each

Organics in Freeze-Dried Mussel Tissue (Mytilus edulis) 2974a 5 g

Diesel Particulate Matter 2975 1 g

Mussel Tissue (Trace Elements & Methylmercury) Freeze-dried 2976 25 g

Benzene in Methanol 3000 2x2.5 mL

Toluene in Methanol 3001 2x2.5 mL

Ethylbenzene in Methanol 3002 2x2.5 mL

o-Xylene in Methanol 3003 2x2.5 mL

m-Xylene in Methanol 3004 2x2.5 mL

p-Xylene in Methanol 3005 2x2.5 mL

Carbon Tetrachloride in Methanol 3006 2x2.5 mL

Methylene Chloride in Methanol (Nominal Mass Fraction, 0.01 g/g) 3008 2x2.5 mL

1,2-Dichloropropane in Methanol (Nominal Mass Fraction - 0.01 g/g) 3009 2x2.5 mL

Tetrachloroethene (Tetrachloroethylene) in Methanol 3010 2x2.5 mL

1,1,1-Trichloroethane in Methanol (Nominal Mass Fraction, 0.01 g/g) 3011 2x2.5 mL

1,2-Dichloroethane in Methanol (Nominal Mass Fraction, 0.01 g/g) 3012 2x2.5 mL

1,2,3-Trichloropropane in Methanol (Nominal Mass Fraction - 0.01 g/g) 3014 2x2.5 mL

Isopropylbenzene in Methanol 3015 2x2.5 mL

sec-Butylbenzene in Methanol 3016 2x2.5 mL

Endothall in Water 3064 5 x 1.2 mL

Toxaphene in Methanol 3067 5x1.2 mL

Chlordane in Methanol 3068 5 x 1.2 mL

Phthalates in Methanol 3074 5 x 1.2 mL

Aroclor 1016 in Transformer Oil 3075 5x1.2 mL

Aroclor 1232 in Transformer Oil 3076 5x1.2 mL

Aroclor 1242 in Transformer Oil 3077 5x1.2 mL

Aroclor 1248 in Transformer Oil 3078 5x1.2 mL

Aroclor 1254 in Transformer Oil 3079 5x1.2 mL

Aroclor 1260 in Transformer Oil 3080 5x1.2 mL

Aroclor 1016 in Methanol 3081 5 x 1.2 mL

Aroclor 1232 in Methanol 3082 5 x 1.2 mL

Aroclor 1242 in Methanol 3083 5 x 1.2 mL

Aroclor 1248 in Methanol 3084 5 x 1.2 mL

Aroclor 1254 in Methanol 3085 5 x 1.2 mL

Aroclor 1260 in Methanol 3086 5 x 1.2 mL

Aroclors in Transformer Oil 3090 set (SRMs 3075-3080)

Aroclors in Methanol 3091 set (SRMs 3081-3086)

Aluminum (Al) Standard Solution 3101a 50 mL

Antimony (Sb) Standard Solution 3102a 50 mL

Arsenic (As) Standard Solution 3103a 50 mL

Barium (Ba) Standard Solution 3104a 50 mL

Beryllium (Be) Standard Solution 3105a 5x10 mL

Bismuth (Bi) Standard Solution 3106 5x10 mL

Boron (B) Standard Solution (nominal 5 mg/g) 3107 50 mL

Cadmium (Cd) Standard Solution 3108 50 mL

Calcium (Ca) Standard Solution 3109a 5 x 10 mL

Cerium (Ce) Standard Solution 3110 5x10 mL

Cesium (Cs) Standard Solution 3111a 50 mL

Chromium (Cr) Standard Solution 3112a 5 x 10 mL

Cobalt (Co) Standard Solution 3113 5x10 mL

Dysprosium (Dy) Standard Solution 3115a 5x10 mL

Erbium (Er) Standard Solution 3116a 5x10 mL

Gadolinium (Gd) Standard Solution 3118a 5x10 mL

Gallium (Ga) Standard Solution 3119a 5 x 10 mL

Germanium (Ge) Standard Solution 3120a 50 mL

Gold (Au) Standard Solution 3121 5 x 10 mL

Hafnium (Hf) Standard Solution 3122 50 mL

Holmium (Ho) Standard Solution 3123a 5x10 mL

Indium (In) Standard Solution 3124a 5x10 mL

Iron (Fe) Standard Solution 3126a 50 mL

Lanthanum (La) Standard Solution 3127a 5 x 10 mL

Lead (Pb) Standard Solution 3128 5 x 10 mL

Lithium (Li) Standard Solution 3129a 5x10 mL

Lutetium (Lu) Standard Solution 3130a 5 x 10 mL

Magnesium (Mg) Standard Solution 3131a 50 mL

Manganese (Mn) Standard Solution 3132 5 x 10 mL

Mercury (Hg) Standard Solution 3133 5 x 10 mL

Molybdenum (Mo) Standard Solution 3134 5 x 10 mL

Neodymium (Nd) Standard Solution 3135a 5x10 mL

Nickel (Ni) Standard Solution 3136 5x10 mL

Niobium (Nb) Standard Solution 3137 50 mL

Palladium (Pd) Standard Solution 3138 5x10 mL

Phosphorus (P) Standard Solution 3139a 5x10 mL

Platinum (Pt) Standard Solution 3140 5x10 mL

Potassium (K) Standard Solution 3141a 50 mL

Praseodymium (Pr) Standard Solution 3142a 5x10 mL

Rhenium (Re) Standard Solution 3143 5 x 10 mL

Rhodium (Rh) Standard Solution (nominal 1 mg/g) 3144 5x10 mL

Rubidium (Rb) Standard Solution 3145a 5x10 mL

Samarium (Sm) Standard Solution 3147a 5x10 mL

Scandium (Sc) Standard Solution 3148a 5x10 mL

Selenium (Se) Standard Solution 3149 5 X 10 mL

Silicon (Si) Standard Solution 3150 50 mL

Silver (Ag) Standard Solution 3151 5 x 10 mL

Sodium (Na) Standard Solution 3152a 50 mL

Strontium (Sr) Standard Solution 3153a 5 x 10 mL

Sulfur (S) Standard Solution 3154 5 x 10 mL

Tantalum (Ta) Standard Solution 3155 50 mL

Tellurium (Te) Standard Solution 3156 5 x 10 mL

Terbium (Tb) Standard Solution 3157a 5x10 ml

Thallium (Tl) Standard Solution 3158 5 x 10 mL

Thulium (Tm) Standard Solution 3160a 5 x 10 mL

Tin (Sn) Standard Solution 3161a 50 mL

Titanium (Ti) Standard Solution 3162a 50 mL

Tungsten (W) Standard Solution 3163 50 mL

Uranium (U) Standard Solution (Radioactive) 3164 5 x 10 mL

Vanadium (V) Standard Solution (nominal 5 mg/g) 3165 5 x 10 mL

Ytterbium (Yb) Standard Solution 3166a 5 x 10 mL

Zirconium (Zr) Standard Solution 3169 50 mL

Mercuric Chloride Standard Solution 3177 5 x 10 mL

Iodide Anion (I-) Standard Solution 3180 5 ampoules x 5 mL

Sulfate Anion Standard Solution 3181 5x10 mL

Chloride Anion Standard Solution 3182 5 x 10 mL

Fluoride Anion Standard Solution 3183 50 mL

Bromide Anion Standard Solution 3184 5x10 mL

Nitrate Anion Standard Solution 3185 5 X 10 mL

Phosphate Anion Standard Solution 3186 5 X 10 mL

Aqueous Electrolytic Conductivity, (100 μS/cm) 3191 500 mL

Fortified Breakfast Cereal 3233 2 bottles x 60 g each

Soy Flour 3234 50 g

Ginkgo biloba (leaves) 3246 5 X 3 g

Ginkgo biloba Extract 3247 5 x 1 g

Ginkgo-Containing Tablets 3248 5 x 1 g

Ginkgo Dietary Supplement Suite 3249 2 each:SRMs 3246-3248

Serenoa repens (Fruit) 3250 6 g x 5 packets

Serenoa repens Extract 3251 1 mL x 5 ampoules

Camellia sinensis (Green Tea) Leaves 3254 5 packets x 3 g each

Camellia sinensis (Green Tea) Extract 3255 5 packets x 1 g each

Green Tea-Containing Solid Oral Dosage Form 3256 5 packets x 2.5 g each

Catechin Calibration Solution 3257 12 x 2 mL

Bitter Orange (Fruit) 3258 5 x 5 g

Bitter Orange Extract 3259 5 x 1.2 g

Bitter Orange-Containing Solid Oral Dosage Form 3260 5 x 2.5 g

Bitter Orange Dietary Supplemental Suite 3261 2 each SRMs 3258-3260

Hypericin Calibration Solution 3266 5 ampoules x 1.2 mL

Botanical Oils Containing Omega-3 and Omega-6 FattyAcids 3274 4 ampoules x 1.2 mL

Omega-3 and Omega-6 Fatty Acids in Fish Oil 3275 2 ampoules x 1.2 ml

Carrot Extract in Oil 3276 5 ampoules

Tocopherols in Edible Oils 3278 5 x 1 mL

Multivitamin/Multielement Tablets 3280 30 tablets x 5 bottles

Cranberry (fruit) 3281 5 packets x 6 g each

Low-Calorie Cranberry Juice Cocktail 3282 5 ampoules x 1.2 mL each

Cranberry Extract 3283 5 packets x 2.5 g each

Cranberry-Containing Solid, Oral Dosage Form 3284 5 packets x 2.5 g each

Mixed Berry-Containing Solid Oral Dosage Form 3285 5 packets x 2.5 g each

Organic Acids Calibration Standard 3286 five 2 mL ampoules

Blueberry (Fruit) 3287 5 packets x 5 g each

Bilberry Extract 3291 5 packets x 1 g each

Low Temperature Seebeck Coefficient Standard 3451 bar

Mercury, Perchlorate, and, Iodide in Frozen Human Urine 3668 Set (10) (5 each conc)

Vitamin B6 in Frozen Human Serum 3950 2 vials, 1 level each

Carbon-14 Hexadecane Radioactivity Standard Solution 4222C 5 mL

Nickel-63 Radioactivity Standard Solution 4226D 5 mL

Cesium-137 Radioactivity Standard Solution 4233E 5 mL

Strontium-90 Radioactivity Standard Solution 4239 5 mL

Holmium-166m Gamma-ray Emission Rate Standard Solution 4274 5 mL

Technetium-99 Radioactivity Standard Solution 4288B 5 mL

Curium 244 Radioactivity Solution 4320b 5 mL

Americium-241 Radioactivity Standard Solution 4322C 5 mL

Plutonium-238 Radioactivity Standard Solution 4323B 5 mL

Thorium-229 Radioactivity Standard Solution 4328C 5 mL

Curium-243 Radioactivity Standard Solution 4329 5 mL

Plutonium-239 Radioactivity Standard Solution 4330C 3 mL

Americium-243 Radioactivity Standard Solution 4332E 5 mL

Plutonium-242 Radioactivity Standard Solution 4334I 5 mL

Lead-210 Radioactivity Standard Solution 4337 5 mL

Radium 228 Radioactivity Solution 4339b 5 mL

Plutonium-241 Radioactivity Standard Solution 4340B 5 mL

Thorium-230 Radioactivity Standard Solution 4342A 5 mL

River Sediment (Radioactivity) 4350B 85 g

Human Lung Powder 4351 45 g

Human Liver Powder 4352 45 g

Rocky Flats Soil Number 2 4353A 90 g

Ashed Bone (Radioactivity) 4356 15 g

Ocean Sediment Powder 4357 85 g

Seaweed Radionuclide Standard 4359 300 g

Hydrogen-3 Water Radioactivity Standard 4361C 500 mL

Europium-152 Radioactivity Standard Solution 4370C 5 mL

Cobalt-60 Radioactivity Standard Solution 4915F 5 mL

Strontium-90 Radioactivity Standard Solution 4919I 5 mL

Hydrogen-3 Water Radioactivity Standard 4926E 20 mL

Iron-55 Radioactivity Standard Solution 4929F 5 mL

Chlorine-36 Radioactivity Standard Solution 4943 3 mL

Hydrogen-3 Toluene Radioactivity Standard Solution 4947C 4 mL

Iodine-129 Radioactivity Standard Solution 4949C 5 mL

Radium-226 Radioactivity Standard Solution 4965 5 mL

Radium-226 Radioactivity Standard Solution 4966A 5 mL

Radium-226 Radioactivity Standard Solution 4967A 5 mL

Radium-226 Radioactivity Standard Solution 4969 5 mL

Radon-222 Emanation Standard 4971 0.2 mL

Radon-222 Emanation Standard 4972 0.2 mL

Radon-222 Emanation Standard 4973 0.2 mL

Radon-222 Emanation Standard 4974 0.2 mL

Oxalic Acid Powder 4990C 8 x 28 g

Overlay Wafer Standard 5000 each

Two-Dimensional Grid Photomask, Std 5001 each

Sand for Sand Sieve Analysis 8010 3 x 150 g

Gold Nanoparticles, Nominal 10nm Diameter 8011 two 5 mL ampoules

Gold Nanoparticles, Nominal 30nm Diameter 8012 two 5 mL ampoules

Gold Nanoparticles, Nominal 60nm Diameter 8013 two 5 mL ampoules

Si1-xGex Films on Si 8095 2 wafers, 1 each level

Additives in Smokeless Powder 8107 5 g

Coplanar Waveguide Calibration Set 8130 each

Yeast Protein Extract 8323 3 vials x 0.2 mL

Peptide Reference Material for Molecular Mass and Purity Measurements 8327 set 3 (1 mg each)

Tissue Engineering Reference Scaffold 8395 1 scaffold

Tissue Engineering Reference Scaffold 8396 1 scaffold

Tissue Engineering Reference Scaffold 8397 1 scaffold

Iron Electrolytic 8420 0.64 D x 5.0

Wheat Hardness 8441a set (50)

Cotinine in Freeze-Dried Human Urine 8444 set (4)

Spray-Dried Whole Egg for Allergen Detection 8445 5 g

Pyrite Ore 8455 100 g

Ultra High Molecular Weight Polyethylene 8456 each

Ultra High Molecular Weight Polyethylene 8457 10 cubes x 0.5 cm

Artificial Flaw for Eddy Current 8458 each

Y-HCH (Lindane) 8466 100 mg

4,4'-DDE 8467 100 mg

Pesticide, 4,4'-DDT 8469 100 mg

Secondary Ferrite Number Standard - Low Range 8480 10x12x20

Secondary Ferrite Number Standard - High Range 8481 set (8)

Sugarcane Bagasse Whole Biomass Feedstock 8491 50 g

Eastern Cottonwood Whole Biomass Feedstock 8492 50 g

Monterey Pine Whole Biomass Feedstock 8493 50 g

Wheat Straw Whole Biomass Feedstock 8494 50 g

Northern Softwood 8495 10 sheets

Eucalyptus Hardwood 8496 10 sheets

Transformer Oil 8504 100 mL

Vanadium in Crude Oil 8505 250 mL

Moisture in Transformer Oil 8506a 5x9.5mL

Moisture in Methanol, 93 mg/kg 8509 set (5)

Moisture in Methanol, 325 mg/kg 8510 set (5)

IAEA S 3 (Sulfur Isotopes in Silver Sulfide) 8529 1 bottle x 0.5g

VSMOW2 Vienna Standard Mean, Ocean Water 8535a 20 mL

GISP-Water 8536 20 mL

SLAP-Water Light Stable Isotopic Standard 8537 20 mL

USGS24-Graphite 8541 0.8 g

Sucrose ANU-Sucrose 8542 1 g

NBS19-Limestone 8544 0.4 g

LSVEC-Lithium Carbonate 8545 0.4 g

NBS28-Silica Sand 8546 0.4 g

IAEA-NO3 Nitrogen and Oxygen Isotopes in Nitrate 8549 0.4 g

USGS32 Nitrogen and Oxygen Isotopes in Nitrate 8558 0.9 g

CO2-Heavy, Paleomarine Origin 8562 set (2)

CO2-Light, Petrochemical Origin 8563 set (2)

CO2-Biogenic, Modern Biomass Origin 8564 set (2)

USGS34 Nitrogen and Oxygen Isotopes in Nitrate 8568 0.9 g

USGS35 Nitrogen and Oxygen Isotopes in Nitrate 8569 0.9 g

L-glutamic Acid USGS40(Light Carbon and Nitrogen Isotopes in L-glutamic Acid) 8573 1 g

L-glutamic Acid USGS41 (Heavy Carbon and Nitrogen Isotopes in L-glutamic Acid) 8574 0.5 g

High Sulfur Gas Oil Feed 8590 1 qt

Henderson Molybdenite 8599 1 bottle at 10 g

Medium Test Dust (MTD) 8631a 20 g

Ultra Fine Test Dust 8632 20 g

Paint on Fiberboard 8680 each

Buffalo River Sediment 8704 50 g

Air Particulate Matter on Filter Media 8785 3 filters

Filter Blank for RM 8785 8786 filter

Scanning Electron Microscope Scale Calibration Artifact 8820 1 chip

Zeolite Y 8850 35-40 g

Zeolite A 8851 35-40 g

Ammonium ZSM-5 Zeolite 8852 35-40 g

Titanium Dioxide Powder - Particle Size Distribution 8988 6 g

Aluminum Wafer Drop-In Sample Holder (6 in) 9951 each

Aluminum Wafer Drop-In Sample Holder (8 in) 9952 each

Phosphorus Copper Cu IX C1252a block

Gilding Metal A (block) C1112 disk

Gilding Metal B (block) C1113 disk

Gilding Metal C (block) C1114 disk

Commercial Bronze A (block) C1115 disk

Commercial Bronze C (block) C1117 disk

White Cast Iron C1137a disk

White Cast Iron C1145a disk

Stainless Steel 23Cr-7Ni C1151a disk

Stainless Steel 18Cr-11Ni c1152a disk

Stainless Steel 17Cr-9Ni C1153a disk

Stainless Steel 19Cr-13Ni C1154a disk

Cast Steel 3 C1173 disk

LA Carbon (AISI 1211) C1221 disk

Nickel-Copper Alloy C1248 disk

Phosphorus Copper Cu VIII C1251a block

Phosphorus Copper X C1253a block

LA Steel (A242) (mod.) C1285 disk

High Alloy (HC-250 + V) C1290 disk

High Alloy (Ni-Hard, Type I) C1291 disk

High Alloy (Ni-Hard, Type IV) C1292 disk

Stainless Steel C1296 disk

HA Steel ACI (17/4 PH) C2400 disk

HA Steel (ACI-C-4M-Cu) C2401 disk

Hastelloy7C C2402 disk

Battery Lead C2415 disk

Bullet Lead C2416 disk

Lead-Base Alloy C2417 disk

High-Purity Lead C2418 disk

Ductile Iron C C2424 disk