Abstract
The analysis and extraction of disperse dyes from polyester textile materials is described. Extraction with boiling chlorobenzene was found to be the best routine procedure for sample preparation. A new high-performance liquid chromatographic method of analysis is described and whilst this supplements a number of recommended thin-layer chromatographic methods it has significantly better resolution and sensitivity. The procedure is designed for forensic comparison of polyester textiles but would be suitable for control of dye matching and blending during manufacture.
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