Revised Standard from Last Update.

1. SCOPE

This standard prescribes the requirements and the methods of sampling and test for sodium sulphite, anhydrous.

2. REFERENCES

IS 264 : 2005 Nitric acid - Specification (third revision)

IS 265 : 2021 Hydrochloric acid - Specification (fifth revision)

IS 266 : 1993 Sulphuric acid - Specification (third revision)

IS 323 : 2009 Rectified spirit for industrial use - Specification (second revision)

IS 1070 : 1992 Reagent grade water - Specification (third revision)

IS 3025 (Part 2) :2019/ISO 11885 :2007 Methods of sampling and test (physical and chemical) for water and wastewater: Part 2 Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICPOES) (first revision)

IS 3025 (Part 65) : 2014/ISO 17294-2 : 2003 Methods of sampling and test (physical and chemical) for water and wastewater: Part 65 Application of inductively coupled plasma mass spectrometry (ICP-MS) - Determination of 62 Elements