Extractive fluorimetric determination of dimethoate residues in water samples

被引：0
|
作者：
Mohan, KR [1 ]
Ramesh, A [1 ]
Seshaiah, K [1 ]
机构：
[1] Sri Venkateswara Univ, Dept Chem, Tirupati 517502, Andhra Pradesh, India
来源：
INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY | 2000年 / 39卷 / 12期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A sensitive, extractive fluorimetric method for the determination of dimethoate has been described. Dimethoate is hydrolyzed with sodium ethoxide into sodium dimethyl dithiophosphate, which is extracted with Rhodamine 6G, as ion pair into toluene. The fluorescence of the organic layer is measured at 560 nm after excitation at 536 nm. The method has been applied to the determination of dimethoate residues in water samples up to ppb level with preconcentration on Amberlite XADB2.
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页码：1331 / 1333
页数：3
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