Customization: | Available |
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CAS No.: | 33665-90-6 |
Formula: | C4h4kno4s |
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Test | Test Method | Requirement | Result |
Solubility in Water | Current FCC | Freely Soluble | Freely Soluble |
Solubility in Ethanol | Current FCC | Slightly Soluble | Slightly Soluble |
Ultraviolet Absorption | Current FCC | 227±2nm | 227±2nm |
Test for Potassium | Current USP/NF | Positive | Positive |
Precipitation test | Current FCC | Yellow Precipitate | Yellow Precipitate |
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Test | Test Method | Requirement | Result | |
Assay Content % | Current USP/NF | 99.0~101.0% | 99.57 | |
Loss on Drying(105ºC,3h) % | Current USP/NF | ≤1.0 | 0.07 | |
Organic Impurities | μg/g | Current FCC | ≤20 | 12.17 |
Impurity A % | EP8.0 | ≤0.125 | <0.125 | |
Impurity B | mg/kg | EP8.0 | ≤20 | <20 |
Fluoride | mg/kg | Current FCC | ≤3 | 0.4 |
Potassium % | Current FCC | 17.0-21.0 | Conforms | |
Heavy Metals | mg/kg | Current USP/NF | ≤5 | <5 |
Arsenic | mg/kg | Current FCC | ≤3 | Undetected |
Mercury | mg/kg | Current FCC | ≤1 | Undetected |
Lead | mg/kg | Current FCC | ≤1 | Undetected |
Selenium | mg/kg | Current FCC | ≤10 | Undetected |
Sulfate % | QB2393-1998 | ≤0.1 | <0.1 | |
PH (1 in 100 solution) | Current FCC | 5.5-7.5 | 6.65 |
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Test | Test Method | Requirement | Result |
Total Plate Count cfu/g | GB4789.2 | ≤250 | <250 |
Coliforms-MPN MPN/g | GB4789.3 | ≤3 | <3 |
Yeast and Mold cfu/g | GB4789.15 | ≤50 | <50 |
E.Coli | GB4789.36 | Negative | None |
Salmonella | GB4789.4 | Negative | None |
Stapylococcus Aureus | GB4789.10 | Negative | Negative |
Sieve | Test Method | Result |
Through 30mesh | Internal | 90% |
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