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index | BP98 | |
Description | Crystalline white powder or colourless crystals | |
Content | 99.0-101.0% | |
Acidity and Alkalinity | Accord with the test | |
Sulphate,≤% | 0.015 | |
Heavy metals(As Pb), ≤% | 0.001 | |
Oxalate(As H2C2O4), ≤% | 0.03 | |
Easy carbonify substance | Accord with the test | |
Chloride, ≤% | 0.005 | |
Loss on drying, | 11.0-13.0% | |
pH value(5% aqueous solution) | -- | |
Arsenic(As),≤ppm | -- | |
Lead(Pb),≤ppm | -- | |
Mercury(Hg),≤ppm | -- | |







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