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Detection of Reactive Dyes from Dyed Fabrics after soil degradation via QuEChERS extraction and Mass Spectrometry

Abstract

Landfill is becoming a common method to dispose of unwanted or used cloths. The dyes and finishes present on these garments can be a new source of pollution that can potentially leach to soil. A set of knitted cotton fabrics dyed with four common reactive dyes used in the textile industry, C.I. Reactive Orange 35 (RO35), C.I. Reactive Blue 49 (RB49), C.I. Reactive Black 5 (Rblk 5), and C.I. Reactive Blue 19 (RB19), were studied under the ASTM D5988-03 method to determine potential degradation products of landfills. A modified QuEChERS was used to extract all reactive dyes and derivatives from soil samples where knitted dyed cotton fabrics where degraded. All extracts were characterized by high-resolution mass spectrometry (HRMS) by using a Quadrupole Time-Of-Flight (Q-TOF) mass spectrometer, where native dyes and their hydrolysis products were identified in soils from 45 and 90-days of degradation experiments. Four potential degradation derivatives where found and proposed molecular formulas were proposed based on exact mass measurements. These results suggested that traces of reactive dyes and their derivatives from degraded knitted cotton fabrics can be extracted and detected by using a modified QuEChERS method and HRMS.

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Publication details

The article was received on 01 Aug 2019, accepted on 13 Nov 2019 and first published on 19 Nov 2019


Article type: Paper
DOI: 10.1039/C9AY01603A
Anal. Methods, 2019, Accepted Manuscript

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    Detection of Reactive Dyes from Dyed Fabrics after soil degradation via QuEChERS extraction and Mass Spectrometry

    X. Sui, C. Feng, Y. Chen, N. Sultana, M. Ankeny and N. R. Vinueza, Anal. Methods, 2019, Accepted Manuscript , DOI: 10.1039/C9AY01603A

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