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《Huaxue Shijie (Chemical World)》 2003-09
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Analysis of Aliphatic Alcohol Ethoxylates in Terms of Alkyl and Ethylene Oxide Chain Lengths by Reverse-phase Liquid Chromatography

HUAN Yu, ZHUANG Mei-hua (Technology Company of Shanghai Petrochemical Co. Ltd, Shanghai 200540, China)  
Aliphatic alcohol ethoxylates(AEO) are important nonionic surfactants widely used in many commercial formulations as complex mixtures of alkyl homologs and ethylene oxide oligomers. The homolog and oligomer distributions are tested by reverse-phase liquid chromatography with a C 8, C 18-bonded silica column and a differential refractive index detector. The mobile phase composition is optimized to analyze the homolog and oligomer distributions of AEO 3 sample simultaneously. The method is useful for product control.
【CateGory Index】: O657.72
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