Quantification of pesticide residues on plastic mulching films in typical farmlands of the North China  

作　　者：Baoyuan Guo Jiao Meng Xinyu Wang Chengnan Yin Weiyu Hao Baiwen Ma Zhang Tao 

机构地区：[1]Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences,Beijing 100085,China [2]University of Chinese Academy of Sciences,Beijing 100049,China [3]Beijing Union University,Beijing 100101,China [4]Academy of National Food and Strategic Reserves Administration,Beijing 100037,China

出　　处：《Frontiers of Environmental Science & Engineering》2020年第1期55-64,共10页环境科学与工程前沿（英文）

基　　金：This work was supported by the National Major Science and Technology Projects of China(No.2017ZX07107-001);Beijing Science and Technology Planning Project(No.Z181100005418010).

摘　　要：Plastic debris as new pollutants attracts much attention in the recent years.The plastic mulching films is one of the most important plastic debirs source in the environment.The aim of this work was to investigate the current status of pesticide residues on the plastic mulching films.Based on the QuEChERS method,multi-residue methods for detection of pesticide residues with gas chromatography tandem mass spectrum(GC-MS)and high performance liquid chromatography tandem mass spectrum(HPLC-MS)were developed for the analysis of the pesticides residues in plastic film and soil samples from Tianjin,Hebei and Shandong.The total concentrations of pesticide residues were in the range of 86.4-22213.2 ng/g in plastic film debris,which was about 20 times higher than that in soil(9.3—535.3 ng/g).Residual level of pesticides varied greatly in different samples.The historical usage and recent application of pesticides were the main sources for pesticide residues on plastic films and soil.In short,plastic mulching films could act as a sink for pesticides in farmland and the ubiquitous pesticide residues on plastic films should draw more attention.

关 键 词：PESTICIDES PLASTIC MULCHING film Soil QUECHERS FARMLAND 

分 类 号：S48[农业科学—农药学]