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项目Item 分析纯 化学纯 (AR) (CP) 含量[Bi(NO3)3·5H2O]Assay,% ≥99.0 99.0 澄清度试验Clarity 合格 合格 硝酸不溶物Insolubhe in nitric acid,% ≤0.002 0.005 氯化物(Cl)Chloride,% ≤0.002 0.005 硫酸盐(SO4)Sulfate,% ≤0.005 0.01 铁(Fe)Iron,% ≤0.0005 0.001 铜(Cu)Copper,% ≤0.001 0.003 砷(As)Arsenic,% ≤0.0005 0.001 银(Ag)Silver,% ≤0.001 0.003 铅(Pb)Lead,% ≤0.01 0.05 硫化氢不沉淀物(以硫酸盐计)Substances not precipitated by hydrogen sulfide,% ≤0.01 0.03
ACS级 项目名称Item ACS Grade 含量Assay ≥98.0% 不溶物Insoluble matter ≤0.005% 砷(As)Arsenic(As) ≤0.001% 氯化物(Cl)Chloride(Cl) ≤0.001% 硫酸盐(SO4)Sulfate ≤0.005% 钙(Ca)Calcium(Ca) ≤0.005% 铜(Cu)Copper(Cu) ≤0.002% 铁(Fe)Iron(Fe) ≤0.001% 铅(Pb)Lead(Pb) ≤0.002% 钾(K)Potassium(K) ≤0.01% 钠(Na)Sodium(Na) ≤0.02% 银(Ag)silver(Ag) ≤0.001%
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