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, 李爽, 吴阁格, 赵琳, 马继平

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 Xuefeng, LI Shuang, WU Gege, ZHAO Lin, MA Jiping

表5 本方法与文献报道的苯氧羧酸类除草剂分析方法比较

Table 5 Comparison of the present method with the reported methods for the determination of phenoxy acid herbicides

Material Method Number of analytes Matrices Practicable pH LOD/(μg/L) Ref. NH2-MWCNTs MSPE-UPLC-MS/MS 7 lake, river, farmland and tap water 5.4 0.01000-0.02000 [12] PP-CMPs DSPE-LC-MS/MS 5 tap, spring and pond water 3 0.00055-0.00384 [13] UiO-66-NM-PVDF MMM DME-UPLC-MS/MS 6 sewage and reservoir water 3-6 0.00003-0.00059 [24] V-g-C3N4 DSPE-DART-MS 3 tap and lake water 2 0.00050-0.00200 [28] MIL-101 DSPE-UPLC-MS/MS 12 river water 6 0.00018-0.00088 [29] MIL-101-NM-PVDF MMM DSPE-UPLC-MS/MS 7 tap and reservoir water 6-7 0.00010-0.00090 this work