Revised Standard from Last Update.

1. SCOPE

This standard (Part 19) describes methyl orange method for measurement of free chlorine in air.

2. REFERENCES

The following Indian Standard contains provisions which through reference in this text, constitutes provision 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 thepossibility of applying the most recent editions of the standard indicated below:

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

5182 (Part 5) : 1975 Methods for measurement of air pollution: Part 5 Sampling of gaseous pollutants