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The demand for accurate and reliable analytical methods is a common factor in the last decades of technology advancement and modes of production. Numerous studies for analytical tests were proposed, creating several parameters of answers that led to conflicts of interpretation when compared. To allow for the possibility of comparison and reliability verification of the answers obtained in these tests, agencies and institutions determine guidelines and regulate guidelines that allow validating the methods, certifying them as methodological parameters to be followed. In Brazil, ANVISA and INMETRO regulate the validation tests of analytical methodologies. High performance liquid chromatography (HPLC) is a source of research in analytical methodologies for the identification of compounds, among them those directed to the branch of drugs and pesticides. The aim of the present study was to validate an analytical methodology for quantification of the active principle of Fipronil by HPLC with ultraviolet detector. In relation to the analytical parameters used for the validation, the linearity verified for the method presented a value of r = 0.9999 and the equation of the adjustment was obtained by linear regression in least squares. The limits of detection and quantification were 0.128 mg.L and 0.426 mg.L, respectively. The repeatability and reproducibility, also verified for the analytical method, returned residual standard deviation within the limits established by the standard and consonants for those verified in the literature corroborating for validation and robustness of the evaluated method.

VALIDAÇÃO DE MÉTODO ANALÍTICO PARA QUANTIFICAÇÃO DO FIPRONIL POR CROMATOGRAFIA LÍQUIDA DE ALTA EFICIÊNCIA