SRM 1478 Polystyrene （Narrow Molecular Weigh...

SRM 1358b  Coating Thickness Standard, (Nonmagnetic Coating on Steel)涂层厚度的标准,(钢非磁性涂层)  set (5)
SRM 1359b  Coating Thickness Standard (Nonmagnetic Coating on Steel)涂层厚度的标准,(钢非磁性涂层)  set (5)
SRM 1361b  Coating Thickness Standard (Nonmagnetic Coating on Steel)涂层厚度的标准,(钢非磁性涂层)  set (5)
SRM 1362b  Coating Thickness Standard (Nonmagnetic Coating on Steel)涂层厚度的标准,(钢非磁性涂层)  set (5)
SRM 1363b  Coating Thickness Standard (Nonmagnetic Coating on Steel)涂层厚度的标准,(钢非磁性涂层)  set (5)
SRM 1364b  Coating Thickness Standard (Nonmagnetic Coating on Steel)涂层厚度的标准,(钢非磁性涂层)  set (5)
SRM 1400  Bone Ash  50g
SRM 1411  Soft Borosilicate Glass软的硼硅酸盐玻璃  set (10)
SRM 1413  High Alumina Sand高铝砂  75g
SRM 1416  Aluminosilicate Glass for Liquidus Temperature铝硅酸盐玻璃  250g
SRM 1449  Thermal Resistance - Fumed Silica Board热电阻-气相法白炭板 each
SRM 1450d  Thermal Conductivity, Fibrous Glass Board热传导率，纤维玻璃板 each
SRM 1452  Thermal Resistance - Fibrous Glass Blanket for High Precison Measurements热电阻-高精度测量玻璃纤维毯 each
SRM 1453  Thermal Conductivity - Expanded Polystyrene Board导热系数-膨胀聚苯板  each
SRM 1457  Superconducting Critical Current - Nb Ti Wire  each
SRM 1459  Thermal Resistance - Fumed Silica Board热电阻-气相法白炭板 each
SRM 1473c  Low Density Polyethylene Resin低密度聚乙烯树脂  60g
SRM 1474a  Polyethylene Resin聚乙烯树脂  60g
SRM 1476a  Branched Polyethylene Resin支化聚乙烯树脂  12g
美国NIST标准品 SRM 1478  Polystyrene (Narrow Molecular Weight Distribution)聚苯乙烯(窄分子量分布)  2g
SRM 1479  Polystyrene, Narrow Mol. Wt.聚苯乙烯,窄分子量  2g
SRM 1482a  Polyethylene聚乙烯  0.3g
SRM 1483a  Linear Polyethylene线性聚乙烯  0.3g
SRM 1484a  Linear Polyethylene线型聚乙烯 0.3g
SRM 1486  Bone Meal  50g
SRM 1487  Poly (methyl methacrylate)聚(甲基丙烯酸甲酯)  2g
SRM 1488  Poly (methyl methacrylate)聚(甲基丙烯酸甲酯)  2g
SRM 1489  Poly (methyl methacrylate)聚(甲基丙烯酸甲酯)  2g