Abstract
Gel permeation chromatography (GPC) enables the molecular weight distribution of a polymer sample to be determined in two or three hours. In the few years since its development it has revolutionised polymer characterisation. This review describes the essentials of the technique, its history and its relevance to polymer technology. Apparatus for GPC is also described with greatest emphasis being given to apparatus similar to that commercially available from Waters Associates Inc. The problems associated with chromatogram interpretation, instrumental broadening and calibration are discussed.
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