1 | Description | White crystalline powder. Is deliquescent and hygroscopic. | White, hard, odorless fragments or granules or crystalline powder. Is deliquecent and hygroscopic. |
2 | Solubility | Passes | Freely soluble in water, in alcohol and in boiling alcohol; Very soluble in boiling water Soluble in ethanol (96%) |
3 | Appearance of solution | Passes | Solution should be clear and not more intensely coloured than reference solution Y6. |
4 | Identification (Calcium 1) | Complies | Precipitate should insoluble in 6N acetic acid while soluble in hydrochloric acid |
5 | Identification (Calcium 2) | Complies | The chloroform layer should coloured red. |
6 | Identification (Calcium 3) | Complies | A white, crystalline precipitate should form |
7 | Identification (Chloride) | Complies | A curdy white precipitate should insoluble in nitric acid but soluble in 6N ammonium hydroxide |
8 | pH (5% aq soln) | 5.8 | 4.5 - 9.2 |
9 | Assay | 99.7% | 99.0% - 107.0% of CaCl2.2H2O |
10 | Aluminium (Al) | Passes | No turbidity or precipitate should form |
11 | Acidity or Alkalinity | Passes | Not more than 0.2 mL of 0.01 M sodium hydroxide should require. |
12 | Iron, Aluminum & Phosphate | Passes | No turbidity or precipitate should produce. |
13 | Magnesium & alkali metals | 0.2% | NMT 0.5% |
14 | Sulfates | Less than 300ppm | NMT 300ppm |
15 | Barium(Ba) | Passes | Any opalescence in the solution is not more intense than reference solution |
16 | Iron (Fe) | Less than 10ppm | NMT 10ppm |