|本期目录/Table of Contents|

[1]毕风兰,何东兵.基于高效液相色谱法检测氟唑菌酰羟胺在小麦上的残留量[J].江苏农业科学,2022,50(24):151-155.
 Bi Fenglan,et al.Determination of residue of pydiflumetofen in wheat by high performance liquid chromatography[J].Jiangsu Agricultural Sciences,2022,50(24):151-155.
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基于高效液相色谱法检测氟唑菌酰羟胺在小麦上的残留量(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第24期
页码:
151-155
栏目:
贮藏加工与检测分析
出版日期:
2022-12-20

文章信息/Info

Title:
Determination of residue of pydiflumetofen in wheat by high performance liquid chromatography
作者:
毕风兰何东兵
江苏省镇江市植保植检站,江苏镇江 212009
Author(s):
Bi Fenglanet al
关键词:
氟唑菌酰羟胺高效液相色谱法小麦响应面分析消解残留量
Keywords:
-
分类号:
S481+.8
DOI:
-
文献标志码:
A
摘要:
为明确氟唑菌酰羟胺在小麦的田间残留行为,建立了麦穗中氟唑菌酰羟胺残留量的高效液相色谱检测方法,并在单因素试验的基础上,采用响应面法优化前处理条件。利用空白基质配制标样,用HPLC-UV法检测,外标法定量,流速1 mL/min,流动相为乙腈-水梯度洗脱,色谱柱为C18柱,进样体积为100 μL,可以使氟唑菌酰羟胺得到有效分离。试验结果表明,在0.1~5.0 μg/mL的范围内,线性相关系数为0.995 2,方法的检出限和定量限分别为0183 μg/mL和0.617 μg/mL,精密度良好。响应面分析表明:在料液比1 g ∶[KG-*3]14 mL、乙腈体积分数61%、提取时间 33 min 的最佳提取条件下,得到氟唑菌酰羟胺提取量为44.79 μg/g,与预测值一致。氟唑菌酰羟胺在麦穗上的消解动态符合一级反应动力学方程,小麦喷施氟唑菌酰羟胺1次和2次,其半衰期分别为5.82 d和5.72 d。收获后麦粒中氟唑菌酰羟胺残留量均约为0.02 μg/g,表明氟唑菌酰羟胺属于易降解农药。该方法简便可行、准确度高,可以为小麦中氟唑菌酰羟胺测定标准制定提供参考依据。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2022-09-10
基金编号:江苏省镇江市“1+1+N”新型农业技术推广项目(编号:ZJNJ[2021]03)。
作者简介:毕风兰(1973—),女,江苏镇江人,高级农艺师,主要从事绿色防控技术集成研究与推广工作。E-mail:535097149@qq.com。
更新日期/Last Update: 2022-12-20