| 指标名称 | Name of index | FCC-V | E-333(iii) | USP-30 | |
| 外观 | Description | Fine white powder | |||
| 鉴别试验 | Identification | Pass test | Pass test | Pass test | |
| 含量（以干基计）， | Content (anhydrous basis) | % | 97.5-100.5 | ≥97.5 | 97.5-100.5 |
| 重金属（以铅计） | Heavy metals(As Pb) | ≤% | -- | -- | 0.002 |
| 草酸盐 | Oxalate(As H2C2O4) | ≤% | -- | 0.01 | -- |
| 干燥失重， | Loss on drying, | % | 10-14 (150℃,4h) | ≤14(180℃,4h) | 10.0-13.3(150℃,4h) |
| 氟 | Fluoride | ≤ppm | 30 | 30 (expressed as fluorine) | 30 |
| 砷 | Arsenic(As) | ≤ppm | -- | 1 | 3 |
| 铅 | Lead(Pb) | ≤ppm | 2 | 1 | 10 |
| 汞 | Mercury(Hg) | ≤ppm | -- | 1 | -- |
| 铝 | Aluminium | -- | Not more than 30ppm (only if added to food for infants and young children) Not more than 200ppm (for all uses except food for infants and young children) | -- | |
| 酸不溶物 | Acid-insoluble substance | ≤% | -- | -- | 0.2 |
| 碳酸盐 | Carbonates | -- | Pass test | -- | |
| 有机挥发杂质 | Organic volatile impurities | -- | -- | Pass test | |
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