| Titre : |
Degradation studies of CI Reactive Blue 19 on biodegraded cellulosic fabrics via liquid chromatography-photodiode array detection coupled to high resolution mass spectrometry |
| Type de document : |
texte imprimé |
| Auteurs : |
Nadia Sultana, Auteur ; Kelsey Williams, Auteur ; Mary Ankeny, Auteur ; Nelson R. Vinueza, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 475-483 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Analyse quantitative (chimie)
Bleu (couleur)
Colorants -- Analyse
Colorants réactifs -- Biodégradation
Colorants réactifs -- Détérioration
Fibres cellulosiques
Teinture -- Fibres textiles synthétiques
|
| Index. décimale : |
667.2 Colorants et pigments |
| Résumé : |
When textile substrates biodegrade in landfills, the fate of textile colorants is unknown, and potentially poses an ecotoxic threat. In this study, we developed a systematic analytical method to evaluate the biodegradation of reactive dyes, the most common class of dye applied to cotton fabrics. The cotton fabrics were dyed with CI Reactive Blue 19 and biodegraded in soil in a laboratory-controlled environment over intervals of 45 and 90 days. A dye isolation method using a low concentration of alkali (0.15% sodium hydroxide) was developed and applied (80°C for 1 hour) to isolate intact and degraded dye from the fabric samples. To quantify the intact dye isolated from the fabric samples, a quantification method was then developed using liquid chromatography-photodiode array detection. The quantification method provided excellent linearity (R2 = 0.9997 ± 0.0002), accuracy (% error = -2% ± 4), precision (% coefficient of variation = 2% ± 4) and sensitivity (lower limit of quantification = 0.4 ± 0.2 µg/mL) for concentrations ranging from 1 to 50 µg/mL. After validation, the method was applied and showed a reduction of dye in biodegraded samples (after 45 and 90 days) compared with undegraded control samples (0 days). To characterise the isolated dye degradation product, quadrupole time-of-flight tandem mass spectrometry was utilised. Analysis showed that the degradation product was formed by losing a -SO3- group from the intact hydrolysed form of the dye, creating a more hydrophobic degradation product compared with the intact hydrolysed form of dye. |
| Note de contenu : |
- EXPERIMENTAL : Materials and reagents - Biodegradation of dyes fabric samples - Dye isolation method - Synthesis of hydrolysed dye standard - Quantitative monitoring of degradation
- RESULTS AND DISCUSSION : Characterisation of synthesised hydrolysed dye standard - Analysis of undegraded control sample - Validation of quantification method - Quantification of dyes on biodegraded samples |
| DOI : |
10.1111/cote.12440 |
| En ligne : |
https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12440 |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33379 |
in COLORATION TECHNOLOGY > Vol. 135, N° 6 (12/2019) . - p. 475-483
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Degradation studies of CI Reactive Blue 19 on biodegraded cellulosic fabrics via liquid chromatography-photodiode array detection coupled to high resolution mass spectrometry in COLORATION TECHNOLOGY, Vol. 135, N° 6 (12/2019)
