SRM 870 Column Performance Test Mixture of Liquid Chromatography 液相色谱柱性能试验混合物 5x1.1mL
SRM 871 Bronze, Phosphor (CDA 521) 青铜、磷(CDA 521) 100g
SRM 872 Bronze, Phosphor (CDA 544) 青铜、磷(CDA 521) 100g
SRM 874 Cupro-Nickel, 10% (CDA 706) 铜镍合金, 10% (CDA 706) 100g
SRM 875 Cupro-Nickel, 10% (CDA 706) 铜镍合金, 10% (CDA 706) 100g
SRM 879 Nickel Silver, (CDA 762) 镍黄铜, (CDA 762) 100g
SRM 880 Nickel Silver, (CDA 770) 镍黄铜, (CDA 770) 100g
SRM 882 Alloy Ni-Cu-Al 100g
SRM 885 Refined Copper 精炼铜 200g
SRM 886 Gold, Ore Refractory 金矿,矿石耐火材料 200g
SRM 887 Cemented Carbide (W-83,Co-10) 硬质合金(W-83,Co-10) 100g
SRM 888 Cemented Carbide (W-64,Co-25,Ta-5) 硬质合金(W-64,Co-25,Ta-5) 100g
SRM 889 Cemented Carbide (W-75,Co-9,Ta-5,Ti-4) 硬质合金 (W-75,Co-9,Ta-5,Ti-4) 100g
SRM 890 Cast Iron, HC250+V 150g
SRM 891 Cast Iron, Ni-Hard, Type I 150g
SRM 892 Cast Iron, Ni-Hard, Type IV 150g
SRM 893 Stainless Steel (SAE 405) 不锈钢(SAE 405) 150g
SRM 895 Stainless Steel (SAE 201) 不锈钢(SAE 201) 150g
SRM 897 Tracealloy A 35g