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IEC 62021-1 Ed. 1.0 b:2003

Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration
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IEC 62021-1 Ed. 1.0 b:2003

Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration

PUBLISH DATE 2003
PAGES 34
IEC 62021-1 Ed. 1.0 b:2003
Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration
Describes the procedure for the 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 regardless of the colour or 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. The acidity results obtained by this test method may or may not be numerically the same as those obtained by colorimetric methods, but they are generally of the same magnitude.
SDO IEC: International Electrotechnical Commission
Document Number IEC 62021
Publication Date June 1, 2003
Language b - English & French
Page Count
Revision Level 1.0
Supercedes
Committee 10
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