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ITEM | STANDARD |
APPEARANCE | WHITE CRYSTALLINE POWDER |
ASSAY | 99.0-101.0% |
ODOR | ABSENT |
WATER SOLUBILILTY | FREELY SOLUBLE |
ULTRAVIOLET ABSORPTION | 227±2NM |
SOLUBILITY IN ETHANOL | SLIGHTLY SOLUBLE |
LOSS ON DRYING | 1.0 % MAX |
SULFATE | 0.1% MAX |
POTASSIUM | 17.0-21 % |
IMPURITY | 20 PPM MAX |
HEAVY METAL( PB) | 1.0 PPM MAX |
FLUORID | 3.0 PPM MAX |
SELENIUM | 10.0 PPM MAX |
LEAD | 1.0 PPM MAX |
PH VALUE | 6.5-7.5 |
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