Análise dos produtos de degradação do esfenvalerato por SBSE/CLAE-UV/DAD utilizando planejamento fatorial fracionário

Química Nova

Renata Colombo²  Janete H. Yariwake¹  Marcos R. V. Lanza¹ 

[1] ,Universidade de São Paulo Escola de Artes, Ciências e Humanidades São Paulo SP ,Brasil

关键词: esfenvalerate;    SBSE;    SBSE;    factorial experimental design;   

DOI  :  10.5935/0100-4042.20140089

来源: SciELO

【 摘 要 】

A simple procedure based on stir bar sorptive extraction and high-performance liquid chromatography-ultraviolet/photodiode array detection (SBSE/LC-UV/PAD) to determine intermediates and by-products of esfenvalerate is described. The influence of organic modifier, ionic strength, extraction time, temperature and pH were simultaneously evaluated by using a factorial experimental design. The utilization of different organic solvents and desorption times were also investigated to establish the optimal conditions for SBSE liquid desorption. Among the ten different peaks (intermediates and by-products) detected after degradation of esfenvalerate, eight (including 3-phenoxybenzoic acid and 3-phenoxybenzaldehyde) were successfully extracted by SBSE under the optimized conditions.

【 授权许可】

CC BY-NC   
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