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ITEM | GB25538-2010 | FCC-V | E262(ii) | ||
Arsenic (As) ≤% | ------ | ------ | 0.0003 | ||
Appearance | Colorless or white crystalline powders or crystal | ||||
Smell | Without odor | ||||
Assay C2H3NaO2(as dry basis) ≥% | 99.0-101.0 | 99.0-101.0 | 98.5 | ||
PH (1% Aqueous Solution) 20℃ | ------ | ------ | 8.0-9.5 | ||
Alkalinity≤% | pass | 0.05 | ------ | ||
Potassium test ≤% | pass | pass | ------ | ||
Loss of drying(120℃ 4hours) ≤% | 36.0-42.0 | 36.0-41.0 | 36.0-42.0 | ||
Formic acid and Oxidizable substances w ≤% | pass | ------ | pass | ||
Lead(Pb) ≤% | 0.0002 | 0.0002 | 0.0002 | ||
Mercury(Hg) ≤% | ------ | ------ | 0.0001 | ||

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