| ≥1 piece |
sodium tri citrate,citric acid
| Item | Unit | Specification | Analysis Result |
| Appearance | Colourless or white crystal | Pass the test | |
| Identification and solubility | Pass the test | Pass the test | |
| Clarity and color of solution | 10% Water solution clarity | Clarity | |
| Assay | % | 99.0-101.0% | 99.78% |
| Moisture | % | 11.0-13.0% | 12.26% |
| Tartrate | Pass the test | Pass the test | |
| Sulphate | ppm | ≤150 | <30 |
| Oxalates | ppm | ≤300 | <50 |
| Pyrogen | Pass the test | Pass the test | |
| Heavy metal | ppm | ≤10 | <1 |
| Iron | ppm | ≤50 | <1 |
| Chloride | ppm | ≤50 | <10 |
| Readily carbureted substance | Standard colour | Less than | |
| Acidity and Alkalinity | Pass the test | Pass the test | |
| Arsenic | ppm | ≤1 | <1 |
| Mercury | ppm | ≤1 | <1 |
| Lead | ppm | ≤1 | <1 |