SRM 869b  Column Selectivity Test Mixture for Liquid Chromatography 液相色谱柱的选择性试验混合物 5x1.1mL
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