Item Index GB17203-1998 USP27 FCC …
Item | Index | |||
GB17203-1998 | USP27 | FCC | ||
Ca 3 (C 6 H 5 O 7 ) 2 | % | 98.0-100.5 | 97.5-100.5 | 97.5 |
Loss on drying | % | 10.0-13.3 | 10.0-13.3 | 10.0-13.3 |
Acid-insoluble substances | % | 0.2 | 0.2 | . |
Heavy metals | % | 0.002 | 0.002 | 0.002 |
Arsenic | % | 0.0003 | 3 ppm | 3 ppm |
Lead | % | 0.0005 | 0.001 | 0.001 |
Fluoride | % | 0.003 | 0.003 | 0.003 |
Clarity of solution | . | Pass the test | -- | -- |
Organic volatile impurities | . | Meets the requirements | -- |
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