Isodifferential Derivative Spectrophotometric Assay of the Carbamate Pesticide Carbaryl and its Metabolite in Biological Fluids and Commercial Formulations
- 1 November 1987
- journal article
- research article
- Published by Taylor & Francis in International Journal of Environmental Analytical Chemistry
- Vol. 31 (1) , 23-40
- https://doi.org/10.1080/03067318708077127
Abstract
Two types of applications (biological fluids and commercial formulations) have been used to demonstrate the advantages of UV derivative spectroscopy using the isodifferential assay for the quantitative simultaneous determination of the insecticide carbaryl and its metabolite 1-naphthol. By a careful selection of the working wavelengths based on the graphical model to measure derivative amplitudes, it is possible to determine both compounds in the range of 0.2–40.0μg/ml in presence of five and ten-fold concentration excess, respectively. Accurate and reproducible results are obtained with no preliminary separation step required.Keywords
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