Validação de método para determinação de resíduos de agrotóxicos em tomate: Uma experiência laboratorial

9Citations
Citations of this article
29Readers
Mendeley users who have this article in their library.

Abstract

A validation procedure model of a multiresidue method is presented for chromatographic analyses of five pesticides residues γ-HCH, chlorothalonil, fenitrothion, chlorpyrifos and procymidone applied on tomatoes. The tomatoes were processed and extracted by acetone plus a mixture of dichloromethane:petroleum benzine (1:1). The volume was centrifuged and was then filtered under Na2SO4. One milliliter of organic extract was concentrated then diluted in isooctane and one microliter was analyzed in the gas chromatograph with electron capture detector - GC/ECD. The parameters evaluated were selectivity, linearity, repeatability, recovery, and limits of detection and quantification. The recovery ranged from 70 to 110% in the concentration range of 0.02 to 2.50 mg.kg-1. The limits of detection ranged from 0.004 to 0.006 mg.kg-1 and the limits of quantification were between 0.014 to 0.02 mg.kg-1.

Cite

CITATION STYLE

APA

Cardoso, M. H. W. M., GouvêA, A. V., da Nóbrega, A. W., & Abrantes, S. de M. P. (2010). Validação de método para determinação de resíduos de agrotóxicos em tomate: Uma experiência laboratorial. Ciencia e Tecnologia de Alimentos, 30(SUPPL. 1). https://doi.org/10.1590/s0101-20612010000500011

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free