Extraction and Analysis of Disperse Dyes from Colored Polyester Single Fibers Using Liquid Chromatography/Linear Ion Trap Tandem Mass Spectrometry

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  • KATO Takao
    Criminal Investigation Laboratory, Shimane Prefectural Police H.Q. Department of Chemistry, Interdisciplinary Graduate School of Science and Engineering, Shimane University
  • SUZUKI Yasuhiro
    National Research Institute of Police Science
  • HANDA Makoto
    Department of Chemistry, Interdisciplinary Graduate School of Science and Engineering, Shimane University

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Nine disperse dyes extracted from colored polyester threads and single fibers of manufactory-supplied textiles by using centrifugal filtration were analyzed using liquid chromatography/linear ion trap tandem mass spectrometry (LC/LIT-MSn). Based on diode array detector data, dimethylformamide (DMF) was found to be a more effective extraction solvent than acetonitrile/water (4:3, v/v) or methanol/water (1:1, v/v) mixtures. The precursor, [M+H]+ ions, were detected for the dyes extracted using DMF. The MS2 and MS3 spectra also matched those of the standard disperse dyes. Without relying on comparison clothes, disperse dyes extracted from the single fibers (5 mm in length) were successfully identified by LC/LIT-MSn and the custom-built database.

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  • Analytical Sciences

    Analytical Sciences 32 (9), 1019-1022, 2016

    社団法人 日本分析化学会

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