The use of fourier transform infrared (FT-IR) spectroscopy to study the state of heterobifunctional reactive dyes

Add time:08/05/2019    Source:sciencedirect.com

The Fourier Transform Infrared (FT-IR) spectra of 12 dyes have been measured; the dyes had the same chromophore but a different side chain group. The FT-IR characteristic frequencies of vinylsulphone, sulphatoethylsulphone and hydroxyethylsulphone have been recognised in the complex conjugated molecules, especially if second derivative spectroscopy was used.

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