SPECIFICATION
| Appearance | Colorless crystals or white crystalline powder |
| Identification | Passes test |
| Appearance of solution | Clear and not more intensely colored than Y7, BY7 or GY7 |
| Readily carbonizable substances | Not more intensely colored than reference solution |
| Oxalate | ≤350ppm |
| Tridodecylamine | ≤0.1ppm (for solvent-extracted citric acid only) |
| Sulfates | ≤150ppm |
| Aluminium | ≤0.2ppm |
| Heavy Metals | ≤10ppm |
| Lead | ≤0.5ppm |
| Water | ≤0.5% |
| Sulphated Ash | ≤0.05% |
| Assay | 99.5-100.5% |
| Bacterial Endotoxin | ≤0.5Eu/mg |
MOLECULAR STRUCTURE：
Molecular Formula:C6H8O7
