質(zhì)量標(biāo)準(zhǔn):HG/T3-1080-77
項目Item 分析純 化學(xué)純
(AR) (CP)
含量(MnCI2?4H2O)Assay,% ≥99.0 98.0
水不溶物lnsoluble matter in water,% ≤0.005 0.01
硫酸鹽(SO4)Sulfale,% ≤0.005 0.02
鐵(Fe)Iron,% ≤0.0002 0.001
鋅(Zn)Zine,% ≤0.02 0.05
鋇(Ba)Barium,% ≤0.005 0.01
堿金屬及堿土金屬(以硫酸鹽計)earth
metals,% ≤0.2 0.5
氧化及還原物質(zhì)Oxiding and reducing
substances 合格 合格
重金屬(以Pb計)Heavy metals,% ≤0.0005 0.001
ACS級
項目名稱Item ACS Grade
含量(MnCI2?4H2O)Assay 98.0-102.0%
pH(25.0℃)pH 3.5-6.0
水不溶物Insoluble matter ≤0.005%
硫酸鹽(SO4)Sulfate ≤0.002%
鈣(Ca)Calcium(Ca) ≤0.005%
鎂(Mg)Magnesium(Mg) ≤0.005%
鉀(K)Potassium(K) ≤0.01%
鈉(Na)Sodium(Na) ≤0.05%
鋅(Zn)Zinc(Zn) ≤0.005%
重金屬(以Pb計)Heavy metals(as Pb) ≤5ppm
鐵(Fe)Iron(Fe) ≤5ppm