1 | Description | Small white crystalline powder. | Small white crystals / crystalline powder. |
2 | Solubility | Passes | Freely soluble in water, practically insoluble in anhydrous ethanol and diethyl ether. |
3 | Assay(argentometric) | 99.9% | 99.0% - 100.5% |
4 | Identification (Chloride a) | Passes | A white curdled precipitate which dissolves easily in ammonia should form |
5 | Identification (Chloride b) | Passes | The paper should turn violet red |
6 | Identification (Potassium a) | Passes | A white crystalline precipitate should form |
7 | Identification (Potassium b) | Passes | A yellow or orange yellow precipitate should form immediately |
8 | Identification (Potassium) | Passes | A white crystalline precipitate that soluble in 6N ammonium hydroxide and solutions of alkali hydroxides and carbonates should form |
9 | Appearance of solution | Passes | Clear and colorless solution |
10 | Free acid/Alkali | Passes | NMT 0.5ml of 0.01M hydrochloric acid or of 0.01M sodium hydroxide should require to change the color of indicator |
11 | Acidity or Alkalinity | Passes | A pink color should produce |
12 | Bromide (Br) | Less than 0.1% | NMT 0.1% |
13 | Iodide(I) | Passes | The substance should not show blue color |
14 | Sulfate (SO4) | Less than 0.01% | NMT 0.01% |
15 | Heavy metals (as Pb) | Less than 0.0005% | NMT 0.0005% |
16 | Aluminium (Al) | Less than 0.00001% | NMT 0.00001% |
17 | Arsenic (As) | Less than 0.0001% | NMT 0.0001% |
18 | Iron (Fe) | Less than 0.001% | NMT 0.001% |
19 | Sodium (Na) | Less than 0.05% | NMT 0.05% |
20 | Lead (Pb) | Less than 0.0002% | NMT 0.0002% |
21 | Calcium(Ca)& Magnesium(Mg) | Passes | No turbidity should produce within 5 min. |
22 | Magnesium and alkaline earth metals | Less than 0.02% | NMT 0.02% |
23 | Loss on drying at 130°C | 0.18% | NMT 0.5% |
24 | Total aerobic microbial count | Less than 100 CFU/gm | NMT 100 CFU/gm |
25 | Total Yeast and mold count | Less than 100 CFU/gm | NMT 100 CFU/gm |
26 | Bacterial endotoxins | Less than 2.5 IU/gm | NMT 2.5 IU/gm |