Simultaneous determination of triclosan, triclocarban, and transformation products of triclocarban in aqueous samples using solid-phase micro-extraction-HPLC-MS/MS
作者： Jermiah Y. Shen , Matt S. Chang , Sheng-Hsiung Yang , Gaston J. Wu
关键词: Environmental chemistry 、 Extraction (chemistry) 、 Aqueous solution 、 Triclosan 、 Bottled water 、 Detection limit 、 Chromatography 、 Triclocarban 、 Chemistry 、 Urea 、 Tap water
摘要: The presence of triclosan and triclocarban, two endocrine-disrupting chemicals antimicrobial agents, transformation products 1,3-di(phenyl)urea, 1,3-bis(4-chlorophenyl)urea 1,3-bis(3,4-dichlorophenyl)urea, in tap water, treated household drinking bottled river water samples were investigated using solid-phase micro-extraction coupled with-HPLC-MS/MS, a rapid, green, sensitive method. Factors influencing the quantity analytes extracted onto fiber, such as addition salt, sample pH, extraction time, desorption volume, optimized micro-extraction-HPLC-MS/MS. results showed that method gave satisfactory sensitivities precisions for analyzing sub-part-per-trillion levels triclosan, triclocarban collected locally. recoveries ranged from 97 to 107% deionized samples, 99 110% limits detection range 0.32-3.44 0.38-4.67 ng/L respectively. On average, daily consumption by an adult consuming 2 liters different types estimated be 6.13-425 ng/day result concentrations measured this study.
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