| Item | BP2009 | USP32 | FCC7 | E330 | JSFA8.0 |
| Characters | Colourless Crystal or White Crystal powder |
| Identification | Pass test |
| Clarity and Color of solution | Pass test | Pass test | / | / | / |
| Light transmittance | / | / | / | ／ | / |
| Water | 7.5%～9.0% | 7.5%～9.0% | =<8.8% | =<8.8% | =<8.8% |
| Content | 99.5%～100.5% | 99.5%～100.5% | 99.5%～100.5% | >=99.5% | >=99.5% |
| RCS | Not exceeding | Not exceeding | A=<0.52,T>=30% | Not exceeding | Not exceeding |
| the STANDARD | the STANDARD | the STANDARD | the STANDARD |
| Calcium | ／ | ／ | ／ | ／ | pass test |
| Iron | ／ | ／ | ／ | ／ | ／ |
| Chloride | ／ | ／ | ／ | ／ | ／ |
| Sulphate | =<150ppm | =<0.015% | ／ | ／ | =<0.048% |
| Oxalates | =<360ppm | =<0.036% | No turbidity forms | =<100mg/kg | Pass test |
| Heavy metals | =<10ppm | =<0.001% | ／ | =<5mg/kg | =<10mg/kg |
| Lead | ／ | ／ | =<0.5mg/kg | =<1mg/kg | / |
| Aluminium | =<0.2ppm | =<0.2ug/g | ／ | ／ | / |
| Arsenic | ／ | ／ | ／ | =<1mg/kg | =<4mg/kg |
| Mercury | ／ | ／ | ／ | =<1mg/kg | / |
| Sulphuric acid ash content | =<0.1% | =<0.1% | =<0.05% | =<0.05% | =<0.1% |
| water-insoluble | ／ | ／ | ／ | ／ | / |
| Bacterial endotoxins | =<0.5IU/mg | Pass test | ／ | ／ | / |
| Tridodecylamine | ／ | ／ | =<0.1mg/kg | ／ | / |
| polycyclic aromatic | ／ | ／ | ／ | ／ | =<0.05（260-350nm） |
| hydrocarbons (PAH) |
| isocitric acid | ／ | ／ | ／ | ／ | Pass test |
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