Abstract
A gas chromatographic technique was developed for the analysis of aqueous diethanolamine solutions and their degradation products. The technique consisted of removing water by air stripping, silylating the residue with N,O-bis-(trimethylsilyl) acetamide and separating the silylation products with an OV-17-Chromosorb W HP column followed by a hydrogen flame ionization detector. Nitrogen was used as the carrier gas and the column was operated at 142 or 174°. The technique was successfully applied to the analysis of amine solutions degraded at elevated pressures and temperatures under laboratory as well as industrial conditions. Numerous degradation compounds were detected but their chemical structures remain to be determined.
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