Surface active agents. Determination of polyethylene glycol content in nonionic ethoxylated surfactants. HPLC method Ingestion-build-47182 A limitation of the applicability

A limitation of the applicability of this International Standard is imposed by the susceptibility of the method to a large degree of variability (see Clause 10)

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which contain the specific requirements for each type of admixture

Surface active agents. Determination of polyethylene glycol content in nonionic ethoxylated surfactants. HPLC method Ingestion-build-47182 A limitation of the applicability1 Scope This International Standard 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) n OH; 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