Separation and identification of commercial reactive dyes with hydrophilic interaction liquid chromatography and quadrupole time-of-flight mass spectrometry / Yixin Liu in COLORATION TECHNOLOGY, Vol. 137, N° 4 (12/07/2021)  

[article]  inCOLORATION TECHNOLOGY > Vol. 137, N° 4 (12/07/2021) . - p. 407-417 Titre : Separation and identification of commercial reactive dyes with hydrophilic interaction liquid chromatography and quadrupole time-of-flight mass spectrometry Type de document : texte imprimé Auteurs : Yixin Liu, Auteur ; Xinyi Sui, Auteur ; Julio E. Teràn, Auteur ; Lisa Parillo-Chapman, Auteur ; Mary Ankeny, Auteur Année de publication : 2021 Article en page(s) : p. 407-417 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chromatographie en phase liquide Colorants -- Identification Colorants réactifs Séparation (technologie) Solutions aqueuses (chimie) Spectrométrie de masse Index. décimale : 667.2 Colorants et pigments Résumé : The separation and identification of colourants from aqueous matrices could potentially benefit the coloration industry. In this work, we report a new method that combines hydrophilic interaction liquid chromatography (HILIC) and high-resolution mass spectrometry (HRMS) for reactive dye separation and identification without employing ion-pairing agents. The conditions outlined allowed the successful separation of a mixture of four commercial reactive dyes in an aqueous solution, which consisted of CI Reactive Black 5, CI Reactive Orange 35, CI Reactive Blue 49 and CI Reactive Red 31. To further demonstrate the feasibility of this new method, we conducted deeper research into the analysis of CI Reactive Red 31 and its hydrolysis products. Based on the high efficiency of HILIC for polar compounds, and its combination with HRMS, we were able to identify several isomers of CI Reactive Red 31 and its derivatives, which were further characterised by tandem mass spectrometry. This method could potentially benefit chemical evaluations in dye applications, including synthetic processes, because it provides reliable results and simplified operation conditions compared with common traditional high-performance liquid chromatography methods. Note de contenu : - EXPERIMENTAL : Materials - Sample preparation - Instrumentation - RESULTS AND DISCUSSION : Separation and identification of different reactive dye mixtures by HILIC-QTOF-MS - HILIC-QTOF-MS characterisation of RR31 before and after hydrolysis treatment - Table 1 : Hydrophilic interaction liquid chromatography method used for the separation of CI Reactive Red 31 and its hydrolysis products - Table 2 : A summary of retention time (tR, min) and percentage area (%A) of the peaks DOI : https://doi.org/10.1111/cote.12539 En ligne : https://onlinelibrary.wiley.com/doi/epdf/10.1111/cote.12539 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36105 [article]

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