Add time:08/02/2019         Source:sciencedirect.com

An analytical procedure using a swept-potential electrochemical detector and HPLC for the separation and identification of the hydroxy and vinyl sulfone derivatives of Reactive Blue 19 in textile wastewater was developed. The detection limits are in parts per trillion without preconcentration. The three dimensional data from the instrument provides an extra parameter (potential), which permits easier and more accurate identification. It was determined that the vinyl sulfone form of the dye was the predominant derivative in the wastewater sample.

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