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Q/(HG)SJ 778-1998 项目Item 分析纯 化学纯 (AR) (CP) 含量[Fe(NO3)3·9H2O)Assay,% ≥98.5 98.0 不溶物Insoluble matter in water,% ≤0.005 0.01 氯化物(Cl)Chloride,% ≤0.0005 0.002 硫酸盐(SO4)Sulfate,% ≤0.005 0.01 铜(Cu)Copper,% ≤0.001 0.003 锌(Zn)Zinc,% ≤0.001 0.003 氨水不沉淀物(以硫酸盐计)Substances not precipitated by ammonia,% ≤0.05 0.1
ACS级 项目名称Item ACS Grade 含量[Fe(NO3)3·9H2O]Assay 98.0-101.0% 水不溶物Insoluble matter in water ≤0.005% 氯化物(Cl)Chloride(Cl) ≤5ppm 硫酸盐(SO4)Sulfate ≤0.01% 钙(Ca)Calcium(Ca) ≤0.01% 镁(Mg)Magnesium(Mg) ≤0.005% 钾(K)Potassium(K) ≤0.005% 钠(Na)Sodium(Na) ≤0.05%
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