tailieunhanh - Summary of analytical Chemistry doctoral thesis: Study and development of QuEChERS GC/MS 3 SIM technique to analyze multi pesticide residues in soil

Develop a rapid and simple method for analysis of multi-residue pesticides, including organophosphate, organochlorine, carbamate, and pyrethroid compounds in soil, with sample preparation based on QuEChERS technique and determination by GC-MS. | MINISTRY OF EDUCATION AND VIETNAM ACADEMY TRAINING OF SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY SCIENCE AND TECHNOLOGY ----------------------------- Pham Tuan Linh STUDY AND DEVELOPMENT OF QuEChERS GC MS 3 SIM TECHNIQUE TO ANALYSE MULTI PESTICIDE RESIDUES IN SOIL Major Analytical Chemistry Code SUMMARY OF ANALYTICAL CHEMISTRY DOCTORAL THESIS Hanoi 2019 2 This thesis is completed at Graduate University Science and Technology Vietnam Academy of Science and Technology. Science instructor 1 . Vu Duc Loi Science instructor 2 . Nguyen Hong Khanh Reviewer 1 Reviewer 2 Reviewer 3 The thesis will be presented to the scientific council at Graduate University Science and Technology Vietnam Academy of Science and Technology at . h . date month . 2019 The thesis can be found at - Library of Graduate University Science and Technology - National library of Vietnam 3 INTRODUCTION 1. The urgency of the thesis Nowadays more than1500 different kinds of pesticides have been used classified based on chemical structure chlorinated phosphorus Carbamate Pyrethroid . or by application insecticide fungicide herbicide . In Vietnam more and more different pesticides are used in agriculture increased from 189 substances in 2003 to 437 substances in 2010 . Pesticides have been known to be contaminants that persist for a long time in the environment. So over time there will be residues of many different pesticide in the soil. Pesticides accumulated in the soil can be transferred to humans via the food chain being potentially harmful to human health. Thus the level of pesticide residues in the agricultural soil needs to be monitored as farmers switch to organic farming green and safe agriculture Currently pesticide residues in soil is determined separately for each substance group with different procedures so increasing costs extend the analysis time and analysis process becomes more complicated. Therefore the project quot Study and development of QuEChERS

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