SRM 888美国NIST标准品 SRM 888 Cemented Carbide (W-64,Co-25,Ta
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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