Complaint
COA specification
| ITEM | LIMIT |
| Identification | Passes test benzoate ,passes test for sodium |
| Appearance | Free flowing white powder |
| Hazardous materials (glass ,hard plastic ,metal.word and stone) | Absent |
| Readily carbonizable substances | Passes test |
| Readily oxidixable substances | Passes test |
| Content | 99.0% ~ 100.5% |
| Loss on drying | =<1.5% |
| Acidity & Alkalinity | 0.2 ml |
| Water solution test | Clear |
| Heavy metals (as PB) | =<10 ppm |
| Ar-senic (As) | =<3 ppm |
| Chlorides | =< 200 ppm |
| Sulfate | =< 0.10% |
| Carburet | Meets the requirement |
| Oxide | Meets the requirement |
| Total chloride | =< 300 PPM |
| Colour of sulution | Y6 |
| Phthalic acid | Meets the requirement |
