IS 101 : Part 2 : Sec 1 : 2018 Methods of Sampling and Test for Paints, Varnishes and Related Products Part 2 Test on Liquid Paints (Chemical Examination) Section 1 Water Content
Reaffirmed 2023
1. SCOPE
1.1 This standard prescribes the Dean and Stark method and the Karl Fischer (Direct Electrometric Titration) method for determination of water content in paints.
1.1.1 The Karl Fischer (Direct Electrometric Titration) method is applicable if percentage of water content suspected to be present is less than 0.5 percent.
1.1.2 The Dean and Stark method is applicable if percentage of water content suspected to be present is more than 0.5 percent.
2. References
The standards listed hereunder 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 aresubject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
IS No. Title
229 : 1993 Ethyl acetate - Specification (third revision)
231 : 1957 Specification for amyl acetate
537 : 2011 Toluene - Specification (second revision)
1070 : 1992 Specification for reagent grade water (third revision)
1211 : 1978 Determination of water content (Dean and Stark method)
2362 : 1993 Determination of water content by Karl Fischer method - Test method (second revision)