Variable-angle scanning fluorescence spectrometry for the determination of closely overlapped pesticide mixtures

The application of a program written in BASIC for an IBM/PC interfaced with a commercial spectrofluorimeter enables variable-angle scanning fluorescence spectra to be obtained, without modification of the instrument. The technique is effective for determinations of the components of mixtures of carb...

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Bibliographic Details
Published in:Analytica chimica acta 1990, Vol.228 (2), p.293-299
Main Authors: Sánchez, F.García, Rubio, A.L.Ramos, Cerdá, V., Oms, M.T.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Exact sciences and technology
Spectrometric and optical methods
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Summary:The application of a program written in BASIC for an IBM/PC interfaced with a commercial spectrofluorimeter enables variable-angle scanning fluorescence spectra to be obtained, without modification of the instrument. The technique is effective for determinations of the components of mixtures of carbaryl, fuberidazol and warfarin, all of which are pesticides with intrinsic fluorescence and closely overlapping profiles. The proposed method permitted simultaneous determinations with RSD of less than 2.5% and recoveries of 99–110%.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(00)80507-3