Desenvolvimento de metodologia para determinação de piretroides em manteiga

Química Nova

Deyse De Brito Marthe¹  Leila Moreira Bittencourt¹  Maria Eliana Lopes Ribeiro De Queiroz¹  Antônio Augusto Neves¹ 

[1] ,Universidade Federal de Viçosa Departamento de Química Viçosa MG ,Brasil

关键词: pyrethroid;    butter;    gas chromatography;   

DOI  :  10.1590/S0100-40422010000600030

来源: SciELO

【 摘 要 】

The objective of this study was to evaluate the use of the matrix solid-phase dispersion technique associated with purification at low temperature for the determination of pyrethroids in butter. Evaluated parameters included: sample/adsorbent ratio, type of adsorbent and extractor solvent. The optimized method was validated based on predetermined requirements. The detection limits of the pyrethroids cypermethrin and deltamethrin were 0.082 and 0.11 μg g-1, and quantification limit were 0.28 and 0.32 μg g-1, respectively, with extraction percentages near 90% and coefficients of variation less than of 10%..

【 授权许可】

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