BH GSO ISO 6796:2024

ISO 6796:1981
Bahraini Standard   Current Edition · Approved on 21 November 2024

Polyglycols for industrial use - Determination of hydroxyl number - Phthalic anhydride esterification method

BH GSO ISO 6796:2024 Files

BH GSO ISO 6796:2024 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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