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  • BSI
    BS EN 62021-3:2014 Insulating liquids. Determination of acidity - Test methods for non mineral insulating oils
    Edition: 2014
    $435.35
    / user per year

Description of BS EN 62021-3:2014 2014

This part of IEC 62021 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.

NOTE 1

In unused and used non-mineral insulating oils, the constituents that may be considered to have acidic characteristics include organic acids, phenolic compounds, some oxidation products, resins, organometallic salts and additives.

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.

NOTE 2

The acidity results obtained by potentiometric test method may or may not be numerically the same as those obtained by colourimetric methods, but they are generally of the same magnitude.



Standard NumberBS EN 62021-3:2014
TitleInsulating liquids. Determination of acidity - Test methods for non mineral insulating oils
StatusDefinitive
Publication Date2014-11-30
Identical National Standard OfIEC 62021-3:2014, EN 62021-3:2014
DescriptorsMechanical properties of fluids, Insulating oils, Electrical insulating materials, Electrical components, Acidity, Test methods
ICS29.040.10 Insulating oils
CommitteeGEL/10
ISBN978 0 580 76280 2
PublisherBSI
Pages28

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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