Specification
Assay content: 99%-101%
Loss on drying (105℃ 2h): % ≤1
Organic impurities mg/kg :≤20
Impurity A: % ≤0.125%
Impurity B: mg/kg ≤20
Fluoride mg/kg: ≤3
Heavy Metals(as Pb) mg/kg: ≤5
Arsenic mg/kg : ≤3
Lead mg/kg: ≤1
Selenium mg/kg: ≤10
Sulfate mg/kg: ≤0.5
Ph: 5.5-7.5
