IEC 62021-2:2007 

Insulating liquids - Determination of acidity - Part 2: Colourimetric titration

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Abstract

Describes a procedure for determination of the acidity of unused and used electrical mineral insulating oils. The method may be used to indicate relative changes that occur in a mineral insulating oil during use under oxidizing conditions that may or may not be shown by other properties of the resulting mineral oil. The acidity can be used in the quality control of unused mineral oil. As a variety of oxidation products present in used mineral oil contribute to acidity and these products vary widely in their corrosion properties, the test cannot be used to predict corrosiveness of a mineral oil under service conditions.

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Additional information

Publication typeInternational Standard
Publication date2007-05-15
Edition1.0
Available language(s)English/French, Spanish
TC/SCTC 10 - Fluids for electrotechnical applicationsrss
ICS29.040.10 - Insulating oils
Stability date  2022
Pages32
File size359 KB

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