质量标准: GB/T 15901-1995
项目Item 分析纯 化学纯
(AR) (CP)
含量(CuCl2·2H2O)Assay,% ≥99.0 98.0
水不溶物Insoluble matter in water,% ≤0.005 0.02
硫酸盐(SO4)Sulfate,% ≤0.003 0.01
硝酸盐(NO3)Nitrate,% ≤0.01 0.03
铁(Fe)Iron,% ≤0.002 0.005
镍(Ni)Nickel,% ≤0.001 --
砷(As)Arsenic,% ≤0.0002 0.0005
硫化氢不沉淀物(以硫酸盐计)Substances not
precipitated by hydrogen sulfide,% ≤0.05 0.2
ACS级
项目名称Item ACS Grade
含量(CuCl2·2H2O)Assay ≥99.0%
水不溶物Insoluble matter ≤0.01%
硝酸盐(NO3)Nitrate ≤0.015%
硫酸盐(SO4)Sulfate ≤0.005%
钙(Ca)Calcium(Ca) ≤0.005%
镍(Ni)Nickel(Ni) ≤0.01%
钾(K)Potassium(K) ≤0.01%
钠(Na)Sodium(Na) ≤0.02%