基于阳离子型金属有机骨架混合基质膜的分散固相萃取-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
纪雪峰1, 李爽1, 吴阁格1, 赵琳2, 马继平1,*(
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Determination of seven phenoxy acid herbicides in water by dispersive solid phase extraction-ultra performance liquid chromatography-tandem mass spectrometry based on cationic metal-organic framework mixed matrix membrane
JI Xuefeng1, LI Shuang1, WU Gege1, ZHAO Lin2, MA Jiping1,*()
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图4. (a) MOF用量、(b)水样pH、(c)萃取时间、(d)洗脱剂氨水浓度和(e)洗脱剂体积对7种苯氧羧酸类除草剂萃取效果的影响(n=3)
Fig. 4. Effects of (a) amounts of MOF, (b) values of sample pH, (c) extraction times, (d) ammonia concentrations in eluent, and (e) volumes of eluent on the extraction efficiencies of the seven phenoxy acid herbicides (n=3)
MOF: metal-organic framework.
