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Standard ÖNORM EN ISO 1061 1.12.1999 preview

ÖNORM EN ISO 1061

Plastics - Unplasticized cellulose acetate - Determination of free acidity (ISO 1061:1990)

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STANDARD published on 1.12.1999


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The information about the standard:

Designation standards: ÖNORM EN ISO 1061
Publication date standards: 1.12.1999
SKU: NS-773157
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM

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The category - similar standards:

Thermoplastic materials

Annotation of standard text ÖNORM EN ISO 1061 :

Diese Internationale Norm legt ein Verfahren zur Bestimmung des Gehaltes an freier Säure von weichmacherfreiem Celluloseacetat fest. Der durch dieses Verfahren bestimmte Gehalt an freier Säure erfaßt die durch Wasser extahierbare Säuren und die Säure durch Säuregruppen, die direkt mit dem Celluloseacetat verknüpft sind, z. B. Carboxylgruppen. Im allgemeinen stellt die durch Säuregruppen vorhandene Säure einen sehr geringen Anteil der gesamten freien Säure dar. Dieses Verfahren ist nicht anwendbar auf Celluloseacetat mit Zusatzstoffen, die die Untersuchungen beeinträchtigen könnten.

Latest update: 2025-07-13 (Number of items: 2 208 181)
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