1 | Description | White powder, having the odour of sulfur dioxide. | White granules or powder, having the odour of sulfur dioxide. |
2 | Solubility | Complies | Freely soluble in water. Practically insoluble in ethanol and in ether. |
3 | Identification A (By Chemical test) | Complies | Gives positive test for Sodium. |
4 | Identification B (By Chemical test) | Complies | Gives positive test for Bisulfite. |
5 | Clarity and colour of solution | Complies | The solution should be clear and colourless. |
6 | Thiosulfate (S2O3) | Complies | No turbidity should be produced. |
7 | Iron (Fe) | Less than 0.001% | NMT 0.001% |
8 | Arsenic (As) | Not detected | NMT 0.0001% |
9 | Assay | 65.2% | NLT 64.0% and NMT 67.4 % of SO2. |
10 | Sulphate | Less than 4.0% | NMT 4.0% |
11 | Total aerobic microbial count | Less than 100 CFU/g | NMT 100 CFU/g |
12 | Total Yeast and mold count | Less than 100 CFU/g | NMT 100 CFU/g |
13 | Pseud. aeruginosa | Absent/g | Should be Absent/g |
14 | Staphylococcus aureus | Absent/g | Should be Absent/g |
15 | E.coli | Absent/g | Should be Absent/g |
16 | Bile-tolerant gram negative bacteria | Absent/g | Should be Absent/g |
17 | Salmonella | Absent/10 g | Should be Absent/10 g |
18 | Candida albicans | Absent/g | Should be Absent/g |
19 | Bacterial endotoxin test | Less than 6.0 EU/g | NMT 6.0 EU/g |