質(zhì)量標(biāo)準(zhǔn): Q/(HG)SJ 638-88
項(xiàng)目Item 分析純 化學(xué)純
(AR) (CP)
含量(SnCl2·2H2O)Assay,% ≥ 98.0 97.0
澄清度試驗(yàn)Clarity 合格 合格
鹽酸不溶物Insoluble matter in hydrochloric acid,% ≤ 0.005 0.01
硫酸鹽(SO4)Sulfate,% ≤ 0.003 0.01
鐵(Fe)Iron,% ≤ 0.003 0.01
銅(Cu)Copper,% ≤ 0.002 0.005
砷(As)Arsenic,% ≤ 0.0001 0.0002
鉛(Pb)Lead,% ≤ 0.005 0.02
堿金屬及堿土金屬(以硫酸鹽計(jì))Alkali and alkali erath metals,% ≤ 0.02 0.1
ACS級(jí)
項(xiàng)目名稱Item ACS Grade
含量(SnCl2·2H2O)Assay 98.0-103.0%
鹽酸中的溶解性Solubility in hrdrochloric acid Passes test
硫酸鹽(SO4)Sulfate passes test
鈣(Ca)Calcium(Ca) ≤0.005%
鐵(Fe)Iron(Fe) ≤0.003%
鉛(Pb)Lead(Pb) ≤0.01%
鉀(K)Potassium(K) ≤0.005%
鈉(Na)Sodium(Na) ≤0.01%