SIMULTANEOUS DETERMINATION OF ATRAZINE AND DIURON IN PESTICIDE FORMULATIONS, IN SOILS AND WATERS AT PPB LEVELS BY DERIVATIVE SPECTROPHOTOMETRY

被引：0
|
作者：
VIDAL, JLM
GALERA, MM
FRENICH, AG
机构：
来源：
ANNALI DI CHIMICA | 1994年 / 84卷 / 3-4期
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D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Binary mixtures of atrazine and diuron can be resolved by using derivative spectrophotometry. The procedure does not require any separation step and the method is suitable for samples containing 1-15 mug.mL-1 of atrazine and 1-10 mug.mL-1 of diuron. The mixture was determined in pesticide formulations and soils with good results. A solid-phase extraction has been combined with first derivative spectrophotometry to separate, recover and quantify both pesticides in groundwater samples at ppb levels. The recoveries are between 85-103% for atrazine and 94-106% for diuron.
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页码：177 / 186
页数：10
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