基于金属有机骨架材料复合气凝胶的分散固相萃取-超高效液相色谱-串联质谱法测定水中7种苯氧羧酸类除草剂OA北大核心CSTPCDMEDLINE
Determination of seven phenoxy carboxylic acid herbicides in water using dispersive solid phase extraction coupled with ultra-high performance liquid chromatography-tandem mass spectrometry based on metal-organic framework composite aerogel
苯氧羧酸类除草剂(PCAs)在水体中难以降解,对人类健康和生态环境造成严重威胁,因此亟需建立有效测定水体中痕量PCAs的方法.本文以常温干燥法制备的金属有机骨架/海藻酸钠气凝胶材料MIL-101(Fe)-NH2/SA作为分散固相萃取的吸附剂,对环境水体中的7种PCAs进行吸附和富集,从萃取条件(气凝胶中MIL-101(Fe)-NH2与海藻酸钠比例、水样pH、萃取时间)、洗脱条件(洗脱溶剂比例、洗脱时间、洗脱体积)、离子强度(盐度)等方面对萃取效果…查看全部>>
Phenoxy carboxylic acid herbicides(PCAs)are difficult to degrade and,thus,pose significant threats to the environment and human health.The limit for 2,4-dichlorophenoxyace-tic acid is 30 μg/L in China's standards for drinking water quality,70 μg/L in the United States'drinking water standards,and 30 μg/L in the World Health Organization's guidelines for drinking water quality.Therefore,the development of an effective detection method for trace PCAs in water …查看全部>>
张鑫;吴阁格;崔文连;李爽;马继平
青岛理工大学环境与市政工程学院,山东青岛 266000青岛理工大学环境与市政工程学院,山东青岛 266000山东省青岛生态环境监测中心,山东青岛 266000青岛理工大学环境与市政工程学院,山东青岛 266000青岛理工大学环境与市政工程学院,山东青岛 266000
化学
超高效液相色谱-串联质谱分散固相萃取复合气凝胶金属有机骨架材料苯氧羧酸除草剂环境水体
ultra-high performance liquid chromatography-tandem mass spectrometry(UHPLC-MS/MS)dispersive solid phase extraction(DSPE)composite aerogelmetal-organic frame-worksphenoxy carboxylic acid herbicideenvironmental waters
《色谱》 2024 (11)
1042-1051,10
国家自然科学基金项目(21976099).National Natural Science Foundation of China(No.21976099).
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