Chapter 4. LC-MS Techniques for the Analysis of Dyes

Determination of sulfonated azo dyes in groundwater and industrial effluents by automated solid-phase extraction followed by capillary electrophoresis/mass spectrometry

“…The result is a complex mixture characterized by the dye itself and several other compounds. 6 Sulfonated azo dyes are non-volatile and thermally unstable, and consequently cannot be analyzed by gas chromatography (GC). For this reason, liquid chromatography/mass spectrometry (LC/MS) has been recommended.…”

Synthetic dyes: A mass spectrometry approach and applications

“…Of particular concern in environmental sciences is the contamination of aquatic ecosystems and leachate from landfills as a direct result of textile manufacturing, or long-term degradation of textile and other colored products (Ashtekar et al, 2014;Shen et al, 2017;Yaseen & Scholz, 2019;Yinon et al, 1996). Many dyes, notably those with azo components, are known to degrade into biologically harmful components.…”

“…Due to the prevalence of colorants in our society, there is a high probability that trace evidence containing dyes and pigments may be found, including but not limited to textile products, cosmetics, paint transfer from automobiles or tools, and inks in questioned document analysis (Goodpaster & Liszewski, 2009; Sisco & Forbes, 2021; Śmigiel‐Kamińska et al, 2019, 2020). Of particular concern in environmental sciences is the contamination of aquatic ecosystems and leachate from landfills as a direct result of textile manufacturing, or long‐term degradation of textile and other colored products (Ashtekar et al, 2014; Shen et al, 2017; Yaseen & Scholz, 2019; Yinon et al, 1996). Many dyes, notably those with azo components, are known to degrade into biologically harmful components.…”

Mass Spectrometry in Environmental Sciences

“…110 In 1992, Koropchak and Veber published a review on thermospray sample introduction to atomic spectrometry. 112 Reviews with an emphasis on the analysis of specific types of environmental pollutants included the use of LC/MS or GC/MS for measuring pesticides, [113][114][115][116] LC/MS or CE/MS for measuring textile dyes, 117,118 LC/MS and MS/MS for measuring surfactants, 119 and LC/MS methods for measuring seafood toxins. 120 Reviews were also presented on methods for determining mutagenic heterocyclic amines, 121 carbonyl-containing compounds, 122 and individual particles in environmental samples.…”