NEN ISO 2270 : 1990
Current
The latest, up-to-date edition.
NON-IONIC SURFACE ACTIVE AGENTS - POLYETHOXYLATED DERIVATIVES - IODOMETRIC DETERMINATION OF OXYETHYLENE GROUPS
12-01-2013
Defines a method for the iodometric determination of oxyethylene groups in polyethoxylated non-ionic surface active agents. Method is applicable to the analysis of polyethoxylated derivatives of - primary saturated fatty alcohols; oleyl alcohol; saturated fatty acids; straight and branched chain alkylphenols. Also applicable in the presence of unreacted alcohols, fatty acids or alkylphenols of the types mentioned above.
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