Revised Standard from Last Update.

1. SCOPE

This standard prescribes the requirements and the methods of sampling and test for chromium trioxide (chromic acid) for use in electroplating, anodizing work and as analytical reagent.

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 Indian Standard are encouraged to investigate the possibility of applying the most recent editions of these standards:

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 296 : 1986 Specification for sodium carbonate, anhydrous (third revision)

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

IS 695 : 2020 Acetic acid - Specification (fourth revision)

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

IS 1260 (Part 1) : 1973 Pictorical markings for handling of goods: Part 1 Dangerous goods (first revision)

IS 13320 : 1992 Determination of iron by atomic absorption spectrometry - Test method