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HG/T 3-931-76 项目Item 分析纯 化学纯 (AR) (CP) 含量[Cu(NO3)2·3H2O]Assay,% ≥99.5 99.0 水溶液反应Solution reaction 合格 合格 水不溶物Insoluble matter in water,% ≤0.002 0.005 硫酸盐(SO4)Sulfate,% ≤0.005 0.02 铁(Fe)Iron,% ≤0.002 0.01 硫化铵不沉淀物(以硫酸盐计)Substances not precipitated by ammonium sulfide,% ≤0.05 0.1
ACS级 项目名称Item ACS Grade 含量[Cu(NO3)2·3H2O]Assay 98.0-102.0% 水不溶物Insoluble matter ≤0.01% 氯化物(Cl)Chloride(Cl) ≤0.002% 硫酸盐(SO4)Sulfate ≤0.01% 钙(Ca)Calcium(Ca) ≤0.005% 铁(Fe)Iron(Fe) ≤0.005% 铅(Pb)Lead(Pb) ≤0.001% 镍(Ni)Nickel(Ni) ≤0.01% 钾(K)Potassium(K) ≤0.005% 钠(Na)Sodium(Na) ≤0.01%
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