Customization: | Available |
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CAS No.: | 150-90-3 |
Formula: | C4h4na2o4 |
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Quality Standard:
Paramete | Japanese standards,1999 | GB 29939-2013 |
Odour | Inherent odor | Inherent odor |
Form | White crystal | White crystal |
Assay,% ≥ | 98-101 | 98.0 |
pH of a 5% solution | 7.0-9.0 | 7.0-9.0 |
Loss on drying (Crystals),% | 37.0-41.0 | 37.0-41.0 |
Sulphate (as SO4),% ≤ | 0.019 | Passes test. |
Heavy metals (as Pb),mg/kg ≤ | 20 | 20 |
Arsenic (as As),mg/kg ≤ | 3 | 3 |
Easy oxide | Normal | Passes test. |