HPLC Method for the Study of Anaerobic Degradation of Polyethylene Glycols

Z. Moldovan Institute of Isotopic and Molecular Technology 3400 Cluj-Napoca, Romania; University Polytechnic School, University of Seville, Str. Virgen de Africa, 7, 41011, Seville, Spain

J. Lebrato Martinez University Polytechnic School University of Seville Str. Virgen de Africa, 7 41011 Seville, Spain

M. V. Delgado Luque University Polytechnic School University of Seville Str. Virgen de Africa, 7 41011 Seville, Spain

E. Otal Salaverri University Polytechnic School University of Seville Str. Virgen de Africa, 7 41011 Seville, Spain

Abstract

This paper describes a rapid gradient reversed-phase high-performance liquid chromatography method for the characterisation of PEGs, HO-(CH2-CH2-O)n-H, in water. This method allows the routine analysis of a mixture of these compounds, in the range n=1−50 (up to PEG 1500) in unesterified samples, at room temperature. The method has been used for the study of anaerobic digestion of PEG-200 and PEG-300 in an one litre laboratory digester.

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HPLC Method for the Study of Anaerobic Degradation of Polyethylene Glycols

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HPLC Method for the Study of Anaerobic Degradation of Polyethylene Glycols

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