SPECTROPHOTOMETRIC DETERMINATION OF FENVALERATE IN A COMMERCIAL FORMULATION AND AS RESIDUES IN WATER AND SOIL

被引：1
|
作者：
NAIDU, RR
RAJU, RVP
机构：
[1] Department of Chemistry, School of Mathematical and Physical Sciences, Sri Venkateswara University, Tirupati, Andhra Pradesh
来源：
PESTICIDE SCIENCE | 1995年 / 44卷 / 02期
关键词：
FENVALERATE; 4-NPH; METHYLENE CHLORIDE; METACHLOROPERBENZOIC ACID;
D O I：
10.1002/ps.2780440209
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Simple, rapid and sensitive spectrophotometric methods have been developed for the microdetermination of fenvalerate, based on the formation of red-purple compounds when one of the hydrolysed products of fenvalerate is condensed with 4-nitrophenylhydrazine (4-NPH) in the presence of methanolic potassium hydroxide. With this reagent the colour development was instantaneous and was stable for 52 hours. The method has been successfully adapted to the determination of fenvalerate in its formulation and residues on water and soil.
引用
收藏
页码：163 / 166
页数：4
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