Abstract
The development of a fluorimetric method for the determination of zinc, based on the fluorescence of the zinc-8-(benzenesulphonamido) quinoline chelate in a micellar medium of sodium dodecylsulfate, is reported. The detection limit is 0.2 μg l–1, the working range is 0.5–700 μg l−1, and the sample throughput is 145 h−1. The method was evaluated for the determination of zinc in food samples.
A batch procedure for the simultaneous determination of zinc and cadmium, based on the synchronous and derivative spectra, is also proposed.
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Compañó, R., Ferrer, R., Guiteras, J. et al. Flow injection method for the fluorimetric determination of Zn with 8-(benzenesulphonamido) quinoline. Mikrochim Acta 124, 73–79 (1996). https://doi.org/10.1007/BF01244959
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DOI: https://doi.org/10.1007/BF01244959