品牌:NIST
产品规格:4 vials x 1mL
发货:3天内
发送询价
详细信息NIST SRM 972a冷冻人血清中维生素D的代谢物标准物质NIST SRM 972a-Vitamin D metabolites in Frozen Human Serum
美国国家标准技术研究院（NIST）是属于美国商业部的技术管理部门NIST 标准品及标准件包括：食品与农业，健康与诊断，法医学，环境，高纯试剂和工业卫生等行业，货期为2周 NIST标准品|规格|产品|价格|销售 美国国家标准技术研究院（NIST）（National Institute of Standards and Technoligy）是属于美国商业部的技术管理部门，前身是1901年建立的联邦政府的个物理科学实验室，位于马里兰州的 Gaithersburg，是目前NIST总部所在地，占地234公顷，另一分部，位于科罗拉多州的Boulder,占地84公顷，还有两个设在大学的联 合研究所，JILA在Colorado大学，CARB在Maryland大学。NIST的任务是为提高劳动生产率、促进贸易和改善生活质量、提高计量、标 准和技术. NIST标准品及标准件包括:食品与农业、健康与诊断、法医学、环境、高纯试剂、和工业卫生等行业。
| 879 | Nickel Silver, (CDA 762) | 100 g |
| 880 | Nickel Silver, (CDA 770) | 100 g |
| 882 | Alloy Ni-Cu-Al | 100 g |
| 885 | Refined Copper | 200 g |
| 886 | Gold, Ore Refractory | 200 g |
| 887 | Cemented Carbide (W-83,Co-10) | 100 g |
| 888 | Cemented Carbide (W-64,Co-25,Ta-5) | 100 g |
| 889 | Cemented Carbide (W-75,Co-9,Ta-5,Ti-4) | 100 g |
| 890 | Cast Iron, HC250+V | 150 g |
| 891 | Cast Iron, Ni-Hard, Type I | 150 g |
| 892 | Cast Iron, Ni-Hard, Type IV | 150 g |
| 893 | Stainless Steel (SAE 405) | 150 g |
| 895 | Stainless Steel (SAE 201) | 150 g |
| 897 | Tracealloy A | 35 g |
| 899 | Tracealloy C | 35 g |
| 900a | Antiepilepsy Drugs in Frozen Human Serum | 4 vials |
| 909c | Human Serum | 3 bottles x 2 mL each |
| 911c | Cholesterol | 2 g |
| 912a | Urea-Clinical | 25 g |
| 913a | Uric Acid | 10 g |
| 914a | Creatinine | 10 g |
| 915b | Calcium Carbonate (Clinical Standard) | 20 g |
| 917c | D-Glucose (Dextrose) | 50 g |
| 918b | Potassium Chloride (Clinical) | 30 g |
| 919b | Sodium Chloride (Clinical) | 30 g |
| 920 | D-Mannitol | 50 g |
| 921 | Cortisol (Hydrocortisone) | 1 g |
| 924a | Lithium Carbonate (Clinical) | 30 g |
| 925 | VMA (Clinical) | 1 g |
| 928 | Lead Nitrate (Clinical) | 30 g |
| 929a | Magnesium Gluconate | 5 g |
| 931g | Liquid Absorbance Filters, UV-VIS | set (12) |
| 935a | Potassium Dichromate, UV Absorbance Standard | 15 g |
| 937 | Iron metal (Clinical) | 50 g |
| 951a | Boric Acid Isotopic Standard | 10 g |
| 953 | Neutron Density Monitor Wire | 1 m |
| 955c | Toxic metals in Caprine Blood | 4 vials |
| 956c | Electrolytes in Frozen Human Serum | 6 x 2.0 mL |
| 965b | Glucose in Frozen Human Serum | set (8) (2 each conc) |
| 967a | Creatinine in Frozen Human Serum | set(4) (2 each conc) |
| 968e | Fat-Sol Vitamins, Carotenoids, and Cholesterol in Human Serum | set (3) (1 each conc.) |
| 970 | Ascorbic Acid in Frozen Human Serum | set (4) (2 each conc) |
| 971 | Hormones in Frozen Human Serum | 2 x 5 mL |
| 972a | Vitamin D metabolites in Frozen Human Serum | 4 vials x 1mL |
| 973 | Boric Acid Acidimetric Standard | 100 g |
| 975a | Chlorine Isotopic Standard | 0.25 g |
| 977 | Bromine Isotopic Standard | 0.25 g |
| 978a | Silver Isotopic Standard | 0.25 g |
| 979 | Chromium Isotopic Standard | 0.25 g |
| 980 | Magnesium Isotopic Standard | 0.25 g |
| 981 | Common Lead Isotopic Standard | 1 g wire |
| 983 | Radiogenic Lead Isotopic Standard | 1 g wire |
| 984 | Rubidium Assay Isotopic Standard | 0.25 g |
| 986 | Nickel Isotopic Standard | 0.5 g |
| 987 | Strontium Carbonate Isotopic Standard | 1 g |
| 994 | Gallium Isotopic Standard | 0.25 g |
| 997 | Thallium Isotopic Standard | 0.25 g |
| 998 | Angiotensin I (Human) | 0.5 mg |
| 999b | Potassium Chloride (Primary Chemical) | 30 g |
| 1003c | Glass Beads - Particle Size Distribution | 28 g |
| 1004b | Glass Beads - Particle Size Distribution | 43 g |
| 1007b | Smoke Density Chamber Standard | set (3) |
| 1010a | Microcopy Resolution Test Charts | set (5) |
| 1012 | Flooring Radiant Panel | set (3) |
| 1017b | Glass (Particle Size) | 70 g |
| 1018b | Glass (Particle Size) | 87 g |
| 1019b | Glass (Particle Size) | 200 g |
| 1021 | Glass ( Particle Size) | 4 g |
| 1034 | Unalloyed Copper | rod |
| 1035 | Leaded-Tin Bronze Alloy | 50 g |
| 1048 | Smoke Toxicity (Cup Furnace) | 8 sheets |
| 1049 | Smoke Toxicity (University of Pittsburgh) | 150 g |
| 1051b | Barium Cyclohexanebutyrate (metallo-Organic) | 5 g |
| 1052b | Bis(1-phenyl-1,3-butanediono)oxovanadium(IV) | 5 g |
| 1053a | Cadmium Cyclohexanebutyrate (metallo-Organic) | 5 g |
| 1057b | Tin (metallo-Organic) | 5 g |
| 1065b | Nickel (metallo-Organic) | 5 g |
| 1066a | Silicon (metallo-Organic) | 5 g |
| 1069b | Sodium (metallo-Organic) | 5 g |
| 1075a | Aluminum (metallo-Organic) | 5 g |
| 1077a | Silver (metallo-Organic) | 5 g |
| 1078b | Chromium (metallo-Organic) | 5 g |
| 1079b | Iron (metallo-Organic) | 5 g |
| 1080a | Copper (metallo-Organic) | 5 g |
| 1082 | Cigarette Ignition Strength Standard | 1 carton (200 cigarettes) |
| 1083 | Wear metals (base Oil) | 150 mL |
| 1089 | Steels, Set (consists of SRMs 1095, 1096, 1097, 1098 and 1099) | 5 rods |
| 1090 | Ingot Iron, Oxygen | rod |
| 1091a | Stainless Steel (AISI 431) | rod |
| 1093 | Valve Steel, Oxygen | rod |
| 1094 | Maraging Steel | rod |
| 1107 | Naval Brass B | disk |
| 1110 | Red Brass B | disk |
| 1111 | Red Brass C | disk |
| 1112 | Gilding metal A (disk) | disk |
| 1113 | Gilding metal B (disk) | disk |
| 1114 | Gilding metal C (disk) | disk |
| 1115 | Commercial Bronze A (disk) | disk |
| 1116 | Commercial Bronze B (disk) | disk |
| 1117 | Commercial Bronze C (disk) | disk |
| 1124 | Free Cutting Brass (UNS C36000) | 1 disk |
| 1128 | Ti Alloy, V-Al-Cr-Sn | disk |
| 1129 | Solder (63Sn-37Pb) | 200 g |
| 1131 | Solder (60Pb-40Sn) | disk |
| 1132 | Bearing metal (Pb-Sn) | disk |
| 1134 | LA Steel, High Silicon | disk |
| 1135 | LA Steel, High Silicon | disk |
| 1138a | Cast Steel (No. 1) | disk |
| 1139a | Cast Steel (No. 2) | disk |
| 1157 | Specialty Steel, Tool (AISI M2) | disk |
| 1158 | High-Nickel Steel (36% Ni) | disk |
| 1159 | Elec/Mag Ni-Fe | disk |
| 1160 | Elec/Mag Ni-Mo-Fe | disk |
| 1171 | Stainless Steel Cr 17-Ni 11-Ti 0.3 (AISI 321) | disk |
| 1172 | Stainless Steel Cr 17-Ni 11-Nb 0.6 (AISI 348) | disk |
| 1173 | Ni-Cr-Mo-V Steel | disk |
| 1196 | Standard Cigarette for Ignition Resistance Testing | 2 cartons(400 cigarettes) |
| 1202 | Fabric Smoldering Ignition Testing Materials | 1 box |
| 1216 | Carbon Modified Silica | 3 x 1g |
| 1218 | LA Steel, High Silicon | disk |
| 1219 | Stainless Steel Cr-Ni (AISI 431) | disk |
| 1223 | Chromium Steel | disk |
| 1224 | LA Steel, Carbon (AISI 1078) | disk |
| 1225 | LA Steel (AISI 4130) | disk |
| 1226 | LA Steel | disk |
| 1227 | LA Steel, Basic Open Hearth, 1% C | disk |
| 1228 | LA Steel, 0.1% C | disk |
| 1230 | High Temp. Alloy, A286 | disk |
| 1240c | Aluminum Alloy 3004 | disk |
| 1241c | Aluminum Alloy 5182 | disk |
| 1242 | High Temp. Alloy L-605 | disk |
| 1243 | Ni-Cr-Co Alloy UNS N07001 (disk form) | disk |
| 1244 | Inconel 600 | disk |
| 1246 | Incoloy® 800 | disk |
| 1247 | Incoloy® 825 | disk |
| 1249 | Nickel-based Superalloy | disk |
| 1250 | High Temp. Alloy Fe-Ni-Co | disk |
| 1254 | LA Steel (Ca only) | disk |
| 1255b | Aluminum Alloy 356 | disk |
| 1256b | Aluminum Alloy 380 | disk |
| 1258-I | Aluminum Alloy 6011 | disk |
| 1259 | Aluminum Alloy 7075 | disk |
| 1264a | LA Steel, High Carbon (mod.) | disk |
| 1265a | Electrolytic Iron | disk |
| 1269 | Line Pipe (AISI 1526 mod.) | disk |
| 1270 | LA Steel, Cr-Mo (A336) (F-22) | disk |
| 1271 | LA Steel (HSLA-100) | disk |
| 1276a | Cupro-Nickel (CDA 715) | disk |
| 1286 | Low Alloy Steel (HY 80) | disk |
| 1295 | Stainless Steel (SAE 405) | disk |
| 1297 | Stainless Steel (SAE 201) | disk |
| 1358b | Coating Thickness Standard, (Nonmagnetic Coating on Steel) | set (5) |
| 1359b | Coating Thickness Standard (Nonmagnetic Coating on Steel) | set (5) |
| 1361b | Coating Thickness Standard (Nonmagnetic Coating on Steel | set (5) |
| 1362b | Coating Thickness Standard (Nonmagnetic Coating on Steel | set (5) |
| 1363b | Coating Thickness Standard (Nonmagnetic Coating on Steel) | set (5) |
| 1364b | Coating Thickness Standard (Nonmagnetic Coating on Steel | set (5) |
| 1400 | Bone Ash | 50 g |
| 1411 | Soft Borosilicate Glass | set (10) |
| 1413 | Glass Sand (High Alumina) | 75 g |
| 1416 | Aluminosilicate Glass for Liquidus Temperature | 250 g |
| 1449 | Thermal Resistance - Fumed Silica Board | each |
| 1450d | Thermal Conductivity, Fibrous Glass Board | each |
| 1452 | Thermal Resistance - Fibrous Glass Blanket for High Precison Measurements | each |
| 1457 | Superconducting Nb-Ti Wire | each |
| 1459 | Thermal Resistance - Fumed Silica Board | each |
| 1473b | Low Density Polyethylene Resin | 60 g |
| 1474a | Polyethylene Resin | 60 g |
| 1475a | Polyethylene, Linear | 50 g |
| 1476a | Branched Polyethylene Resin | 12 g |
| 1478 | Polystyrene, Narrow Mol. Wt. | 2 g |
| 1479 | Polystyrene, Narrow Mol. Wt. | 2 g |
| 1484a | Polyethylene, Linear | 0.3 g |
| 1486 | Bone Meal | 50 g |
| 1487 | Poly (methyl methacrylate) | 2 g |
| 1488 | Poly (methyl methacrylate) | 2 g |
| 1489 | Poly (methyl methacrylate) | 2 g |
| 1491a | Methyl-Substituted Polycyclic Aromatic Hydrocarbons in Toluene | 5 x 1.2 mL |
| 1492 | Chlorinated Pesticides/Hexane | 5 x 1.2 mL |
| 1493 | PCB Congeners | 5 x 1.2 mL |
| 1494 | Aliphatic Hydrocarbons | 5 x 1.2 mL |
| 1496 | Polyethylene Gas Pipe Resin | 0.9 kg |
| 1507b | THC-COOH in Freeze-Dried Urine | set (3) |
| 1508a | Benzoylecgonine (Cocaine metabolite) in Freeze-dried Urine | set (4) |
| 1514 | Thermal Analysis Purity Set (DSC) | set (4) |
| 1515 | Apple Leaves | 50 g |
| 1543 | GC/MS System Performance | 4 x 1 mL |
| 1544 | Fatty Acids/Cholesterol in Frozen Diet Composite | 4x15 g |
| 1546 | Meat Homogenate | 4x85 g |
| 1547 | Peach Leaves | 50 g |
| 1548a | Typical Diet | set (2) |
| 1566b | Oyster Tissue | 25 g |
| 1570a | Trace Elements in Spinach Leaves | 60 g |
| 1573a | Tomato Leaves | 50 g |
| 1575a | Trace Elements in Pine Needles | 50 g powder |
| 1577c | Bovine Liver | 20 g |
| 1580 | Organics in Shale Oil | 5 x 1.2 mL |
| 1582 | Petroleum Crude Oil | 5 x 1.2 mL |
| 1584 | Priority Pollutant Phenols in Methanol | 5 x 1.2 mL |
| 1586 | Isotope Label Pollutants | 6 x 2 mL |
| 1588c | Organics in Fish Oil | 5 ampoules x 1.2mL |
| 1595 | Tripalmitin | 2 g |
| 1596 | Dinitropyrene Isomers and 1-Nitropyrene in Methylene Chloride | 5 x 1.3 mL |
| 1597a | Complex Mixture of Polycyclic Aromatic Hydrocarbons Coal Tar | 1 x 1.3 mL |
| 1598a | Inorganic Constituents in Animal Serum | 2 vials |
| 1599 | 2 Anticonvulsant Drugs | set (4) |
| 1614 | Dioxin in Isooctane | 6 x 1.2 mL |
| 1616b | Sulfur in Kerosene (Low Level) | 100 mL |
| 1619b | Sulfur in Residual Fuel Oil (0.7%) | 100 mL |
| 1620c | Sulfur in Residual Fuel Oil (4%) | 100 mL |
| 1621e | Sulfur in Residual Fuel Oil (1%) | 100 mL |
| 1622e | Sulfur in Residual Fuel Oil (2 %) | 100 mL |
| 1624d | Sulfur in Diesel Fuel Oil, 0.4% | 100 mL |
| 1632d | Trace Elements in Coal, (Bituminous) | 50 g |
| 1633c | Trace Elements in Coal Fly Ash | 75 g |
| 1635a | Trace Elements in Coal, (Subbitumimous) | 50 g |
| 1639 | Halocarbons (in Methanol) | 5 x 1.2 mL |
| 1640a | Trace Elements in Natural Water | 1 bottle x 250 mL |
| 1641d | Mercury In Water | 1010 mL |
| 1643e | Trace Elements in Water | 250 mL |
| 1646a | Estuarine Sediment | 70 g |
| 1647e | Priority Pollutant PAHs (in Acetonitrile) | set (5) |
| 1648a | Urban Particulate Matter | 2 g |
| 1649b | Urban Dust | 2 g |
| 1650b | Diesel Particulate Matter | 200 mg |
| 1655 | Potassium Chloride, KCl (cr) for Solution Calorimetry | 30 g |
| 1656 | Thianthrene Combustion Calorimetry | 30 g |
| 1657 | Synthetic Refuse-Derived Fuel | 100 g |
| 1658a | Methane in Air (Nominal 1 umol/mol) | cylinder |
| 1660a | Methane and Propane in Air (Nominal: Methane 4 µmol/mol; Propane 1 µmol/mol) | cylinder |
| 1662a | Sulfur Dioxide in Nitrogen (Nominal 1000 µmol/mol) | cylinder |
| 1663a | Sulfur Dioxide in Nitrogen (Nominal 1500 µmol/mol) | cylinder |
| 1664a | Sulfur Dioxide in Nitrogen (Nominal 2500 µmol/mol) | cylinder |
| 1665b | Propane in Air (Nominal 3 µmol/mol) | cylinder |
| 1666b | Propane in Air (Nominal 10 µmol/mol) | cylinder |
| 1667b | Propane in Air (Nominal 50 µmol/mol) | cylinder |
| 1668b | Propane in Air (Nominal 100 µmol/mol) | cylinder |
| 1669b | Propane in Air (Nominal 500 µmol/mol) | cylinder |
| 1674b | Carbon Dioxide in Nitrogen (Nominal 7 % mol/mol) | cylinder |
| 1677c | Carbon Monoxide in Nitrogen (Nominal 10 µmol/mol) | cylinder |
| 1679c | Carbon Monoxide in Nitrogen (Nominal 100 µmol/mol) | cylinder |
| 1681b | Carbon Monoxide in Nitrogen (Nominal 1000 µmol/mol) | cylinder |
| 1683b | Nitric Oxide in Nitrogen (Nominal 50 µmol/mol) | cylinder |
| 1684b | Nitric Oxide in Nitrogen (Nominal 100 µmol/mol) | cylinder |
| 1685b | Nitric Oxide in Nitrogen (Nominal 250 µmol/mol) | cylinder |
| 1686b | Nitric Oxide in Nitrogen (Nominal 500 µmol/mol) | cylinder |
| 1687b | Nitric Oxide in Nitrogen (Nominal 1000 µmol/mol) | cylinder |
| 1694a | Sulfur Dioxide in Nitrogen (Nominal 100 µmol/mol) | cylinder |
| 1696a | Sulfur Dioxide in Nitrogen (Nominal 3500 µmol/mol) | cylinder |
| 1710 | Aluminum Alloy 3004 | disk |
| 1711 | Aluminum Alloy 3004 | disk |
| 1712 | Aluminum Alloy 3004 | disk |
| 1713 | Aluminum Alloy 5182 | disk |
| 1714 | Aluminum Alloy 5182 | disk |
| 1715 | Aluminum Alloy 5182 | disk |
| 1727 | Anode Tin | block |
| 1728 | Tin Alloy (Sn-3Cu-0.5Ag) | 1 disc |
| 1729 | Tin Alloy (97Sn-3Pb) | 1 disc |
| 1736 | Zinc-Aluminum Alloy | disk |
| 1737 | Zinc-Aluminum Alloy | disk |
| 1738 | Zinc-Aluminum Alloy | disk |
| 1739 | Zinc-Aluminum Alloy | disk |
| 1740 | Zinc-Aluminum Alloy | disk |
| 1741 | Zinc-Aluminum Alloy | disk |
| 1742 | Zinc-Aluminum Alloy | disk |
| 1745 | Indium (Freezing Point) | 200 g |
| 1746 | Silver (Freezing Point) | 300 g |
| 1747 | Tin Freezing Point Cell | each |
| 1748 | Zinc Freezing Point Cell | each |
| 1749 | Gold vs. Platinum Thermocouple Thermometer | each |
| 1750 | Standard Platinum Resistance Thermometer | each |
| 1751 | Gallium Melting-Point | 200 g |
| 1754 | Steel (AISI 4320) | rod |
| 1755 | Nitrogen in Low Alloy Steel | disk |
| 1761a | Low Alloy Steel | disk |
| 1762a | Low Alloy Steel | disk |
| 1763a | Low Alloy Steel | disk |
| 1764a | Low Alloy Steel | disk |
| 1765 | Low Alloy Steel | disk |
| 1766 | Low Alloy Steel | disk |
| 1767 | Low Alloy Steel | disk |
| 1768 | High-Purity Iron | disk |
| 1772 | Tool Steel (S-7) | disk |
| 1775 | MP 35N Refractory Alloy | disk |
| 1800b | Eighteen Non-Methane Hydrocarbon Compounds in Nitrogen (Nominal 5 nmol/mol) | 6 L Water Volume Cyl |
| 1810a | Linerboard | 50 each |
| 1815a | n-Heptane (Fuel Rating) | 100 mL |
| 1816a | Isooctane (Fuel Rating) | 100 mL |
| 1818a | Chlorine in Lub. base Oil | set (5) |
| 1819a | Sulfur in Lub. base Oil | set (5) |
| 1828b | Ethanol-Water Solutions | 6 x 1.2 mL |
