Abstract
Polyacrylamide as an additive incorporated into polyvinyl alcohol was qualitatively identified by pyrolysis-gas chromatography with atomic emission detection. The peak pattern used in this qualitative analysis has been further structurally identified through mass spectrometry. The degradation mechanisms to produce those peaks have been proposed. The atomic emission detection demonstrated its superior elemental selectivity advantage in this study. The comparison between atomic emission detection and mass spectrometry is also discussed based on these types of applications. This is a good example of how using a selective detector can greatly reduce sample preparation and enable a qualitative identification.
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