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ČSN EN ISO 3681 (673042)
Binders for paints and varnishes - Determination of saponification value - Titrimetric method
Translate name
STANDARD published on 1.7.2019
The information about the standard:
Designation standards: ČSN EN ISO 3681
Classification mark: 673042
Catalog number: 507418
Publication date standards: 1.7.2019
SKU: NS-953077
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 3681 (673042):
This document specifies a titrimetric method for determining the esterified-acid content in binders for paints and varnishes, free acids and acid anhydrides being necessarily included in the result obtained. Because different binders vary in their resistance to saponification, this document is of limited applicability. If necessary, completeness of saponification can be checked by repeating the test under more severe conditions achieved by the use of longer saponification time, more concentrated potassium hydroxide solution, or a higher-boiling alcohol as solvent. Annex A specifies a procedure suitable for binders that saponify with difficulty. The method is not applicable to those materials that show further reaction with alkalis beyond normal saponification
Preview of the standard ČSN EN ISO 3681 (673042)
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