Development of a Method of Aqueous Gel Permeation Chromatography for the Determination of Molecular Weight Distributions of Bleaching Effluents, 1994 Environmental Conference Proceedings

T. A. Schwantes, T. J. McDonough

A method of aqueous gel permeation chromatography (GPC) was developed and used to determine the molecular weight distributions of bleach plant effluents and ether extracts of the effluents. The method employs two Sephadex G columns in series, elution by 0.1 M LiCl and detection by total organic carbon (TOC) analysis of eluent fractions. Initially, a single column and ultraviolet (UV) detection were used. Subsequent experiments showed that the dual column system gave better separation at low molecular weights. Alkaline eluents, such as NaOH and NaHCO3, caused changes in the apparent molecular weight distributions of acidic stage bleaching effluents, and were therefore considered inappropriate.

Author: Schwantes, T.A., McDonough, T.J.
Development of a Method of Aqueous Gel Permeation Chromatogr
Development of a Method of Aqueous Gel Permeation Chromatography for the Determination of Molecular Weight Distributions of Bleaching Effluents, 1994 Environmental Conference Proceedings
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