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NEN ISO 2270:1990現(xiàn)行

Non-ionic Surface Active Agents - Polyethoxylated Derivatives - Iodometric Determination Of Oxyethylene Groups

出版:Nederlands Normalisatie Instituut

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基本信息
標準編號: NEN ISO 2270:1990
標準類別:Standard
出版單位:Nederlands Normalisatie Instituut
標準頁數(shù):0
標準簡介

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.

等同采用的國際標準

ISO 2270:1989 - Identical