OS GSO ISO 6796:2008
ISO 6796:1981
Omani Standard
Current Edition
·
Approved on
03 September 2008
Polyglycols for industrial use - Determination of hydroxyl number - Phthalic anhydride esterification method
OS GSO ISO 6796:2008 Files
English
3 Pages
Current Edition
Reference Language
OMR
20.31
OS GSO ISO 6796:2008 Scope
This International Standard specifies an esterification method
for the determination of the hydroxyl number of the following
polyglycols for industrial use :
- polytethylene glycol) [HO(C2H40)nHl, where y1 is
greater than 3;
- poly(propylene glycol) [HO(C3H60)nH], where n is
greater than 3.
The method is not recommended for products containing more
than 0,2 % (mlm) of water, unless the Sample is first dried.
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