ISO 16560:2015

Current Revision
Surface active agents - Determination of polyethylene glycol content in nonionic ethoxylated surfactants - HPLC method

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ISO 16560:2015

Surface active agents - Determination of polyethylene glycol content in nonionic ethoxylated surfactants - HPLC method

PUBLISH DATE 2015
ISO 16560:2015

ISO 16560:2015 specifies a method for the determination of the polyethylene glycol (PEG) content in aromatic and aliphatic non-ionic surface active agents of the type R-(O-C2H4)nOH; where n is the mean ethylene oxide (EO) value.

It is applicable to all ethoxylated products soluble in methanol or methanol/water mixture. This method applies to PEG concentrations as mass fraction greater than or equal to 0,1 %.

This International Standard is not applicable to PEG whose molar mass is lower than 400 g/mol. Monomeric ethylene glycol, diethylene glycol, triethylene glycol, and glycerol are not detected.

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