| ≥1 piece |
| Item | Standard |
| Appearance | White crystals or crystalline powder |
| Assay | 99.0 - 101.0% |
| Loss on drying | 11.0 - 13.0% |
| Clarity and color of Solution | Conforms |
| Heavy metal (Pb) | 10 ppm max |
| Usage | acidity regulator |
| CAS No. | *** |
| Chemical formula | C6H5O7Na3.2H2O |
| Sulfate (SO4) | 150 ppm max |
| Chloride (Cl) | 50 ppm max |
| Readily carbonisable substances | Conforms |
| Alkalinity | Conforms |
| Oxalate | 300 ppm max |
1. To supply high-quality products with reasonable prices.
2. To follow orders and arrange shipping in time, providing complete documents for Customs clearance according to
different export policiesin different countries.
3. To take all the responsibility in case of product quality problems.
4. To inform customers of price trends in the market timely.