农药科学与管理2025，Vol.46Issue(4)：42-48,7.
超高效液相色谱-串联质谱法测定水中4种芸苔素内酯类农药
Determination of Four Brassinolide Pesticides in Water by Ultra-performance Liquid Chromatography-tandem Mass Spectrometryw
杜功名 1吴静 1张靖怡 1陈刘阳 1沈鹏 1王洪雷2
作者信息
- 1. 江苏恒生检测有限公司,江苏 南京 210046
- 2. 江苏省农药研究所股份有限公司,江苏 南京 210046
- 折叠
摘要
Abstract
This article investigates the detection of four brassinolide pesticide residues in water using ultra-high performance liquid chromatography tandem mass spectrometry(UPLC-MS/MS).After membrane treatment,water sampleswere directly analyzed.Detection was carried out in both positive and negative ion mode of electric spray(ESI+-)using multiple reaction monitoring(MRM)and the external standard method for quantification.The results showed that 24-epibrassinolide,28-homobrassinolide,propionylbrassinolide and 14-hydroxylated brassinosteroid had a good linear relationship in the concentration range of 0.001～0.1 mg/L,with correlation coefficient greater than 0.99.Recoveries ranged from 83.0%～99.2%,and the relative standard deviationswere between 2.02%～5.54%atspiking level of 0.001～0.1 mg/L.This method is concise,efficient,sensitive,stable,and environmentally friendly,and meets the requirements for trace-level analysis of pesticide residues.It provides reliable technical support for the rapid screeningof various brassinolide pesticides in aquatic environments.关键词
水/芸苔素内酯/超高效液相色谱串联质谱法/农药残留Key words
water/brassinolide/UPLC-MS/MS/pesticide residues分类
农业科技引用本文复制引用
杜功名,吴静,张靖怡,陈刘阳,沈鹏,王洪雷..超高效液相色谱-串联质谱法测定水中4种芸苔素内酯类农药[J].农药科学与管理,2025,46(4):42-48,7.
