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Norm
ÖNORM EN ISO 3681
Issue date: 1998 07 01
Binders for paints and varnishes - Determination of saponification value - Titrimetric method (ISO 3681:1996)
This International Standard specifies a titrimetric method for determining the esterified-acid content in binders for paints and varnishes, free acids and acid anhydrides...
Withdrawn: 2019 05 15
Publisher:
Austrian Standards International
Format:
Digital | 9 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This International Standard 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 International Standard is of limited applicability. If necessary, completeness of saponification
may 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.
ÖNORM EN ISO 3681
2019 05 15
Binders for paints and varnishes - Determination of saponification value - Titrimetric method (ISO 3...
Norm
ÖNORM EN ISO 3681
1998 07 01
Binders for paints and varnishes - Determination of saponification value - Titrimetric method (ISO 3...
Norm
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Binders for paints and varnishes - Determination of saponification value - Titrimetric method (ISO 3681:2018)
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Issue date :
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Binders for paints and varnishes — Determination of saponification value — Titrimetric method
