| CAS No.: | 77-92-9 |
|---|---|
| Formula: | C6h8o7 |
| EINECS: | 201-069-1 |
|
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| Items | Standard | Results |
| Sensory requirements | Colorless or white crystalline particles or powder; odorless, extremely sour taste | Colorless or white crystalline particles or powder; odorless, extremely sour taste |
| Identification test | conform | conform |
| Citric acid content(C6H8O7) ω/% | 99.5~100.5 | 100.1 |
| Water content ω/% | ≤0.5 | 0.1 |
| Easy carbide | ≤1.0 | 0.3 |
| Sulphate ash ω/% | ≤0.05 | 0.01 |
| sulfate ω/% | ≤0.010 | <0.010 |
| chloride ω/% | ≤0.005 | <0.005 |
| oxalate ω/% | ≤0.01 | <0.01 |
| Calcium salt ω/% | ≤0.02 | <0.02 |
| Pb(mg/kg) | ≤0.5 | 0.05 |
| Total arsenic(As)/(mg/kg) | ≤1.0 | 0.05 |
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