| Description | IP |
|---|---|
| pH | 5.5 to 8.0 |
| Arsenic | Not more than 1ppm |
| Heavy Metals | Not more than 10 ppm |
| Chlorides | Not more than 0.25% |
| Sulfates | Not more than 0.3% |
| Neutralizing Capacity | Not more than 50.0 ml of 0.1 M sodium hydroxide is required. |
| Microbial Contamination | Total viable aerobic count, not more than 100 micro-organisms per ml, determined by plate count. 1 ml is free from Escherichia coli. |
| Assay | Between 7 % to 10.5% |