OS GSO ISO 1061:2015
ISO 1061:1990
Omani Standard
Current Edition
·
Approved on
03 September 2015
Plastics -- Unplasticized cellulose acetate -- Determination of free acidity
OS GSO ISO 1061:2015 Files
English
2 Pages
Current Edition
Reference Language
OMR
20.42
OS GSO ISO 1061:2015 Scope
This International Standard specifies a method for the determination of the amount of free acid in unplasticized cellulose acetate.
The free acidity determined by this method includes acidity extractable by water and acidity due to acidic groups directly attached to the cellulose acetate, e.g. carboxyl groups. The latter is usually a very small proportion of the total.
This method is not suitable for cellulose acetate containing any additives which may affect the test.
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