美國(guó)NIST標(biāo)準(zhǔn)品 SRM 872 Bronze, Phosphor （CDA 544） 青銅、磷 返回列表頁(yè)

SRM 869b  Column Selectivity Test Mixture for Liquid Chromatography 液相色譜柱的選擇性試驗(yàn)混合物 5x1.1mL
SRM 870  Column Performance Test Mixture of Liquid Chromatography 液相色譜柱性能試驗(yàn)混合物  5x1.1mL
SRM 871  Bronze, Phosphor (CDA 521) 青銅、磷(CDA 521)  100g
SRM 872  Bronze, Phosphor (CDA 544) 青銅、磷(CDA 521)  100g
SRM 874  Cupro-Nickel, 10% (CDA 706) 銅鎳合金, 10% (CDA 706)  100g
SRM 875  Cupro-Nickel, 10% (CDA 706) 銅鎳合金, 10% (CDA 706)  100g
SRM 879  Nickel Silver, (CDA 762) 鎳黃銅, (CDA 762)  100g
SRM 880  Nickel Silver, (CDA 770) 鎳黃銅, (CDA 770)  100g
SRM 882  Alloy Ni-Cu-Al  100g
SRM 885  Refined Copper 精煉銅  200g
SRM 886  Gold, Ore Refractory 金礦，礦石耐火材料  200g
SRM 887  Cemented Carbide (W-83,Co-10) 硬質(zhì)合金(W-83,Co-10)  100g
SRM 888  Cemented Carbide (W-64,Co-25,Ta-5) 硬質(zhì)合金(W-64,Co-25,Ta-5)  100g
SRM 889  Cemented Carbide (W-75,Co-9,Ta-5,Ti-4) 硬質(zhì)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