質(zhì)量標(biāo)準(zhǔn): Q/(HG)SJ 732-1997
項(xiàng)目Item 分析純 化學(xué)純
(AR) (CP)
含量(C4H6CaO4?H2O)Assay,% ≥98.0 98.0
澄清度試驗(yàn)Clarity 合格 合格
水不溶物lnsoluble matter in water,% ≤0.005 0.01
游離堿Free alkali 合格 合格
游離酸(以CH3COOH計(jì))Free acids,% ≤0.20 0.30
氯化物(Cl)Chloride,% ≤0.003 0.005
硫酸鹽(SO4)Sulfate,% ≤0.005 0.01
鎂(Mg)Magnesium,% ≤0.002 0.003
鐵(Fe)Iron,% ≤0.001 0.002
重金屬(以Pb計(jì))Heavy metals,% ≤0.001 0.002
還原高錳酸鉀物質(zhì)Potassium pemanganate
reducing substances 合格 合格
ACS級
項(xiàng)目名稱Item ACS Grade
含量Assay 99.00%
不溶物Insoluble matter ≤0.005%
堿度Alkalinity Passes test
可滴定酸Titrable acid ≤0.035meq/g
氯化物(Cl)Chloride(Cl) ≤0.001%
硫酸鹽(SO4)Sulfate ≤0.01%
鋇(Ba)Barium(Ba) ≤0.01%
重金屬(以Pb計(jì))Heavy metals(as Pb) ≤0.005%
鐵(Fe)Iron(Fe) ≤0.001%
鎂(Mg)Magnesium(Mg) ≤0.05%
鉀(K)Potassium(K) ≤0.01%
鈉(Na)Sodium(Na) ≤0.02%
鍶(Sr)Strontium(Sr) ≤0.05%