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1,Formula :Ca3(C6H5O7)2·4H2O
2,Formula wt: 570.50
3,CAS: [5785-44-4]
4,Specificity:White powder, odorless, slightly deliquescence, difficultly soluble in water(0.095g/100mI 25℃), almost insoluble in ethanol, When heated to 100℃,it may lose crystal water, when heated to 120℃,the crystal will lost water completely.
5, Packing: 25kg net paper bag or 1mt big bag with PE liner.
| Name of index |
FCC-V |
E-333(iii) |
| Description |
Fine white powder |
| Content |
97.5-100.5% |
≥97.5%( anhydrous basis) |
| Heavy metals(As Pb), ≤% |
0.001 |
0.0005 |
| Oxalate(As H2C2O4), ≤% |
0.03 |
0.01 |
| Loss on drying, |
10-14% |
≤14(180℃,4h%) |
| Fluoride，≤ppm |
30 |
30 |
| Arsenic(As),≤ppm |
-- |
1 |
| Lead(Pb),≤ppm |
2 |
1 |
| Mercury(Hg),≤ppm |
-- |
1 |
| Carbonates |
-- |
Dissolving 1 g of calcium citrate in 10 ml 2 N hydrochloric acid must
not liberate more than a few isolated bubbles |
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