| ≥1 piece |
sodium citrate is colorless or white crystal and crystalline powder. It is inodorous and taste salt, cool. It will loss crystal water at 150° C and decompose at more high temperature. It dissolves in ethanol.
• Other Names: Sodium Citrate/ Trisodium Citrate
| Item | BP2009 | USP32 | FCC7 | E331 | JSFA8.0 | GB 6782－2009 |
| Characters | Colourless Crystal or White Crystal powder | |||||
| Identification | Pass test | |||||
| Acidity or basicity | Pass test | |||||
| Light transmittance(366nm) | ／ | ／ | ／ | ／ | ／ | ≥95.0% |
| Moisture | 11.0%～13.0% | 10.0%～13.0% | 10.0%～13.0% | ≤13.5% | 10.0%~13.0% | 10.0%～13.0% |
| Content | 99.0%～101.0% | 99.0%～100.5% | 99.0%～100.5% | ≥99.0% | 99.0%~101.0% | 99.0%～100.5% |
| RCS | Not exceeding | ／ | ／ | ／ | / | ≤1.0 |
| the standard | ||||||
| Iron | ／ | ／ | ／ | ／ | / | ≤5mg/kg |
| Chloride | ≤50ppm | ／ | ／ | ／ | / | ≤0.005% |
| Sulphate | ≤150ppm | ／ | ／ | ／ | ≤0.024% | ≤0.01% |
| Oxalates | ≤300ppm | ／ | ／ | ≤100mg/kg | / | ≤0.01% |
| Calcium | ／ | ／ | ／ | ／ | / | ≤0.02% |
| Heavy metals | ≤10ppm | ≤0.001% | ／ | ≤5mg/kg | ≤20mg/kg | / |
| Arsenic | ／ | ／ | ／ | ≤1mg/kg | ≤4.0mg/kg | ≤1mg/kg |
| Lead | ／ | ／ | ≤2mg/kg | ≤1mg/kg | / | ≤2mg/kg |
| mercury | ／ | ／ | ／ | ≤1mg/kg | / | ／ |
| Tartrate | ／ | Pass test | ／ | ／ | / | ／ |
| Pyrogen | Pass test | ／ | ／ | ／ | / | ／ |
| PH | ／ | ／ | ／ | 7.5～9.0 | 7.6~9.0 | ／ |
| water-insoluble | ／ | ／ | ／ | ／ | / | Pass test |