IS 3025 : Part 28 : 2024 Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater - Part 28 Sulphites
1 SCOPE
This standard (Part 28) prescribes the following methods for determination of sulphites in water and wastewater:
a) Iodometric method (applicable to minimum detectable concentration of 2 mg/l); and
b) Phenanthroline method (applicable to minimum detectable concentration of 0.01 mg/l).
2 REFERENCES
The standards given below contain provisions which through reference in this text constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards:
| IS No. | Title |
| IS 7022 (Part 1) : 1973 | Glossary of term relating to water, sewage and industrial effluents: Part 1 |
| IS 7022 (Part 2) : 1979 | Glossary of term relating to water, sewage and industrial effluents: Part 2 |
| IS 17614 | Water quality - Sampling: |
| (Part 1) : 2021/ISO 5667-1 : 2020 | Guidance on the design of sampling programmes and sampling techniques |
| (Part 3) : 2021/ISO 5667-3 : 2018 | Preservation and handling of water samples |