SRM 627美国NIST标准品 SRM 627 Spectrographic Zinc-Base Die-Ca
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北京市所在地
SRM 620 Soda Lime, Flat 钠钙,平 set (3)
SRM 622 Soda-Lime Silica (Durability) 钠钙硅(耐久性) 2.2 kg
SRM 623 Borosilicate (Durability) 硼硅酸盐(耐久性) 2.2 kg
SRM 624 Lead-Silica, for dc resistivity 200g
SRM 625 Zinc-Base A 锌基A block
SRM 626 Zinc-Base B 锌基B block
SRM 627 Spectrographic Zinc-Base Die-Casting Alloy C 光谱锌基压铸合金C block
SRM 628 Zinc-Base D 锌基D block
SRM 629 Zinc-Base E-ASTM AC 41A block
SRM 630 Zinc-Base F 锌基F block