Items |
BP93 |
BP98 |
USP23 |
USP24 |
Description |
Colorless or white powder |
Colorless or white powder |
Colorless or white powder |
Colorless or white powder |
Identification |
Pass the test |
Pass the test |
Pass the test |
Pass the test |
Clarity |
Pass the test |
Pass the test |
Pass the test |
Pass the test |
Content,% |
99.5-101.0 |
99.5-101.0 |
99.5-100.5 |
99.5-100.5 |
Water, % |
≤1.0 |
≤1.0 |
≤0.5 |
≤0.5 |
Barium |
Pass the test |
-- |
-- |
-- |
Calcium, PPM |
≤200 |
-- |
-- |
-- |
Iron, PPM |
≤50 |
-- |
-- |
-- |
Arsenic, PPM |
≤1 |
-- |
≤3 |
≤3 |
Heavy metals, PPM |
≤10 |
≤10 |
≤10 |
≤10 |
Oxalate, PPM |
≤350 |
≤350 |
Pass the test |
Pass the test |
Chloride, PPM |
≤50 |
-- |
-- |
-- |
Sulphate, PPM |
≤150 |
≤150 |
Pass the test |
Pass the test |
Readily carbonizable substances |
Pass the test |
-- |
Pass the test |
Pass the test |
Sulphate Ash, % |
≤0.1 |
≤0.1 |
≤0.05 |
≤0.05 |
Organic Volatile lmpurity |
-- |
-- |
-- |
Pass the test |
Pb, PPM |
-- |
-- |
-- |
-- |
Aluminium, PPM |
-- |
≤0.2 |
-- |
-- |
Bacteria endotoxic, Iu/mg |
-- |
≤0.5 |
-- |
-- |