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| Customization: | Available |
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| Certification: | ISO, QS |
| Shape: | Powder |
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| Item | Specification |
| Appearance | White crystalline solid or powder |
| Assay | 99.8% |
| pH (10% aqueous solution) | 8.0~10.5 |
| Loss on drying | =<0.0003% |
| Alkalinity | pass test |
| Heavy metal | =<0.001% |
| Lead | =<0.001% |
| Iron | =<50mg/kg |
| mercury | =<1mg/kg |
| As | =<0.0003% |
| Water insoluble matter | =<0.1% |