
Selenium Dioxide Monohydrate is used in medicine to provide the trace element that is needed for people to have as a source of selenium.
| SR. No | Criteria | Limit/Specification |
|---|---|---|
| 1 | Appearance | White Crystalline Powder |
| 2 | IDENTIFICATION TEST | |
| Test-A | Meets the Requirement - Gas bubbles develop Complies | |
| Test-B | Meets the Requirement - A curdy tan-orange precipitate is formed. | |
| 3 | IMPURITIES | |
| Residue on Ignition (ROI) | NMT 0.01% (1.0 mg) | |
| Insoluble Matter | Dissolves completely, and the solution is clear | |
| Selenate and Sulfate | No turbidity or precipitate is formed in 10 minutes | |
| 4 | Assay (By Titration) | NLT 93.0% and NMT 101.0% of H2SeO |