Optimization and Application of the QuEChERS-UHPLC-QTOF-MS Method for the Determination of Broflanilide Residues in Agricultural Soils

Author:

Nie Xiaoli1,Xie Guai2,Huo Zhitao1,Zhang Baoyu2,Lu Haifei3,Huang Yi4,Li Xin1,Dai Liangliang1,Huang Siyuan2,Yu Ailin2

Affiliation:

1. Changsha General Survey of Natural Resources Centre, China Geological Survey, No. 258 Xuefu Road, Suburban Street, Changsha 410000, China

2. Jiangxi Academy of Forestry, No. 1629 West Fenglin Road, Economic and Technological Development Area, Nanchang 330000, China

3. College of Urban Construction, Zhejiang Shuren University, No. 8 Shuren Road, Gongshu District, Hangzhou 310015, China

4. School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, No. 1688 Meiling Road, Xinjian District, Nanchang 330000, China

Abstract

In this study, the separation conditions of UHPLC-QTOF-MS and the extraction conditions of QuEChERS were optimized. The analytical process for determining Broflanilide residues in different soil types was successfully established and applied to its adsorption, desorption, and leaching in soil. Broflanilide was extracted from soil with acetonitrile and purified using PSA and MgSO4. The modified UHPLC-QTOF-MS method was used for quantification. The average recovery of Broflanilide was between 87.7% and 94.38%, with the RSD lower than 7.6%. In the analysis of adsorption, desorption, and leaching quantities in four soil types, the RSD was less than 9.2%, showing good stability of the method, which can be applied to determine the residue of Broflanilide in different soils.

Funder

Comprehensive survey of ecological restoration in key areas of Wuyi Mountain

Investigation of surface matrix in typical red soil area of Nanping City

Jiangxi Forestry Bureau Forestry Science and Technology Innovation Project

Doctoral Initiation Project, Jiangxi Academy of Forestry

Youth Talent Training Project, Jiangxi Academy of Forestry

Special Project of Basic Research and Talent Research, Jiangxi Academy of Forestry

Camphor tree research project of Jiangxi Forestry Bureau

Changsha Natural Resources Comprehensive Survey Center, China Geological Survey

Training Program for Academic and Technical Leaders of Major Discipline in Jiangxi Province-Young Talent Project

The Key R&D Program of Jiangxi Science and Technology Department

Publisher

MDPI AG

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