BS EN ISO 4629-1:2016 PDF

Binders for paints and varnishes. Determination of hydroxyl value - Titrimetric method without using a catalyst

First page of standard BS EN ISO 4629-1:2016

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Title (English):

BS EN ISO 4629-1:2016

Binders for paints and varnishes. Determination of hydroxyl value - Titrimetric method without using a catalyst

Document status:: Active
Format:: Electronic (PDF)
Publication date:: July 31, 2016
ICS:: 87.060.20
Technical committee:: CEN
SKU:: BS EN ISO 4629-1:2016

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Abstract

What is ISO 4629-1 - T itrimetric method paint binder standard about?

In analytical chemistry, the hydroxyl value is defined as the number of milligrams of potassium hydroxide required to neutralize the acetic acid taken upon acetylation of one gram of a chemical substance that contains free hydroxyl groups. ISO 4629-1 specifies a titrimetric method for determining the free hydroxyl groups in binders and binder solutions for paints and varnishes. The hydroxyl groups may be present as polyhydric alcohols, partial esters, polyester end groups, or hydroxylated fatty acids. NOTE: If in the case of binder solutions, the hydroxyl value of the binder only is to be determined, the possibility that other constituents of the binder solution may contain hydroxyl groups has to be taken into account.

Who is ISO 4629-1 - T itrimet...

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What is ISO 4629-1 - T itrimetric method paint binder standard about?

Who is ISO 4629-1 - T itrimet...

BS EN ISO 4629-1:2016 PDF

Abstract

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Abstract

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