IEC 62021-3:2014

Title

Language: EN Insulating liquids - Determination of acidity - Part 3: Test methods for non-mineral insulating oils

Language: FR Liquides isolants - Détermination de l'acidité - Partie 3: Méthodes d'essai pour les huiles non minérales isolantes

Abstract

Language: EN IEC 62021-3:2014 describes two procedures for the determination of the acidity of unused and used electrical non-mineral insulating oils. Method A is potentiometric titration and Method B is colourimetric titration. The method may be used to indicate relative changes that occur in non-mineral insulating oil during use under oxidizing conditions regardless of the colour or other properties of the resulting non-mineral oil. The acidity can be used in the quality control of unused non-mineral insulating oil. As a variety of oxidation products present in used non-mineral insulating oil contribute to acidity and these products vary widely in their corrosion properties, the test cannot be used to predict corrosiveness of non-mineral insulating oil under service conditions.

Language(s)
Language: EN Language: FR
Edition
1.0
Date of issue
19.03.2014
TC 10
ICS Codes
29.040.10
Publication number
62021
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