Anhydrous: White powder , specific gravity 2.220, Soluble in acid and slightly acid and has hygroscopicity, acidic property appeared in a aqueous solution(PH3).
Monohydrate: White crystalline powder , or plate crystal specific gravity 2.220, when heated to 100℃,it may loss crystal water, Soluble in acid and slightly acid and has hygroscopicity, acidic property appeared in a aqueous solution(PH3).
|
Anhydrous |
Monohydrate |
Content (as Ca) |
16.8-18.3% |
15.9-17.7% |
Fluoride |
0.0025% Max. |
0.0025% Max. |
Loss on ignition |
14.0-15.5 |
1% Max. |
As |
0.0001% Max. |
0.0001% Max. |
Pb |
0.0001% Max. |
0.0001% Max. |
Heavy metal |
0.001% Max. |
0.003% Max. |