CAS No.: | 4075-81-4 |
---|---|
Formula: | C6h10cao4 |
EINECS: | 223-795-8 |
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Name of index | FCC-VII | E282 |
Description | White crystalline powder | |
Identification | Pass test | |
Content, % | 98.0-100.5(anhydrous basis) | ≥99, (105ºC,2h) |
pH of a 10 % aqueous solution | -- | 6.0--9.0 |
Loss on drying, % ≤ | 5.0 | 4.0(105ºC,2h) |
Heavy metals (as Pb), mg/kg ≤ | -- | 10 |
Fluorides, mg/kg ≤ | 20 | 10 |
Magnesium(as MgO) | Passes test (about 0.4%) | -- |
Insoluble substances, % ≤ | 0.2 | 0.3 |
Lead, mg/kg ≤ | 2 | 5 |
Iron, mg/kg ≤ | -- | 50 |
Arsenic, mg/kg ≤ | -- | 3 |
Mercury, mg/kg ≤ | -- | 1 |