Trace zinc determination by synchronous derivative fluorimetry |
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| Authors: | Sanchez F G Lopez M H |
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| Institution: | Department of Analytical Chemistry, Faculty of Sciences, The University, Malaga, Spain. |
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| Abstract: | A sensitive and selective synchronous-scanning derivative spectrofluorimetric determination of zinc based on the formation of a fluorescent chelate with 2-furaldehyde 2-pyridylhydrazone (FAPH) is described, and its analytical performance compared with that of the ordinary fluorimetric method. The detection limits lie in the ng ml range and the coefficient of variation is below 2% in both cases. The methods have been applied to the trace determination of zinc in pig liver tissue and environmental fume samples. |
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