质量标准: | 氯化亚锡,10025-69-1,Stannic chloride Q/(HG)SJ 638-88 项目Item 分析纯 化学纯 (AR) (CP) 含量(SnCl2·2H2O)Assay,% ≥ 98.0 97.0 澄清度试验Clarity 合格 合格 盐酸不溶物Insoluble matter in hydrochloric acid,% ≤ 0.005 0.01 硫酸盐(SO4)Sulfate,% ≤ 0.003 0.01 铁(Fe)Iron,% ≤ 0.003 0.01 铜(Cu)Copper,% ≤ 0.002 0.005 砷(As)Arsenic,% ≤ 0.0001 0.0002 铅(Pb)Lead,% ≤ 0.005 0.02 碱金属及碱土金属(以硫酸盐计)Alkali and alkali erath metals,% ≤ 0.02 0.1 ACS级 项目名称Item ACS Grade 含量(SnCl2·2H2O)Assay 98.0-103.0% 盐酸中的溶解性Solubility in hrdrochloric acid Passes test 硫酸盐(SO4)Sulfate passes test 钙(Ca)Calcium(Ca) ≤0.005% 铁(Fe)Iron(Fe) ≤0.003% 铅(Pb)Lead(Pb) ≤0.01% 钾(K)Potassium(K) ≤0.005% 钠(Na)Sodium(Na) ≤0.01% |