Pipette-tip solid-phase extraction using cetyltrimethylammonium bromide enhanced molybdenum disulfide nanosheets as an efficient adsorbent for the extraction of sulfonamides in environmental water samples
文献类型： 外文期刊
作者： Juan, Yuan Li 1 ; Dan, Zha Xi Ci 2 ; Liao, Qie Gen 1 ; Wen, Zhang Da 1 ; Guang, Luo Lin 1 ;
作者机构： 1.Jiangxi Acad Agr Sci, Agr Prod Qual Safety & Stand Inst, Nanchang 330200, Jiangxi, Peoples R China
2.Tibet Acad Agr & Anim Husb Sci, Inst Agr Qual Stand & Testing, Lhasa, Peoples R China
关键词： molybdenum disulfide nanosheets; cetyltrimethylammonium bromide; pipette-tip solid-phase extraction; sulfonamides
期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）
ISSN： 1615-9306
年卷期： 2020 年 43 卷 5 期
页码：
收录情况： SCI
摘要： Surfactant cetyltrimethylammonium bromide enhanced molybdenum disulfide was used as an adsorbent in pipette-tip solid-phase extraction for the pretreatment of sulfonamides in environmental water samples. The factors affecting the extraction recoveries of the analytes, including the sample pH value, amount of sorbent, type and volume of eluent solution, and salt concentration were optimized. This pipette-tip solid-phase extraction method demonstrated good linearity (0.05-10.0 mu g/L) with a coefficient of determination of 0.9984-0.9996, limit of detection (0.2-0.4 ng/L) and limit of quantitation (0.5-1.0 ng/L), good analyte recoveries (76-91), and acceptable limit of quantitation (<10%) under the optimized conditions. These results indicated that the proposed method was a good tool for monitoring sulfonamides in environmental water samples.
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