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ITEM |
USP |
BP, EP |
CP |
Characteristics | white powder | white powder | white powder |
Appearance of solution |
-- |
comforms |
-- |
Surface Treatment | None | None | None |
Loss on drying |
0.5% max |
-- |
0.5% max |
Loss on ignition |
0.5% max |
-- |
0.5% max |
Water-Soluble substance |
0.25% max |
0.5% max |
0.25% max |
Acid Soluble substance |
0.5% max |
-- |
0.5% max |
Arsenic |
1ppm max |
5 ppm max |
8 ppm max |
Lead |
10 ppm max |
20 ppm max |
20ppm max |
antimony |
2 ppm max |
100 ppm max |
-- |
mercury |
1 ppm max |
-- |
-- |
Barium |
-- |
conforms |
conforms |
Iron |
-- |
200 ppm max |
-- |
Acidity and alkalinity |
-- |
comforms |
-- |
Assay |
99.0~100.5% |
98.0~100.5% |
98.0% min |
organic Volatile Impurities Test |
conforms |
-- |
-- |
Microbial test Enterobacteriaceae Escherichia coli Pseudomonas Aeruginosa Salmonella |
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Packing: 25kgs net per fibre drum/20kgs net multiwall paper bag
special packing & labeling can be agreed on request
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