Summary
A TLC method has been developed for direct quantitative estimation of Sn2+. The ion was converted to fluorescent chloro-complexes by HCl, in the presence of NaCl or KCl, on a cellulose support, and the complexes were estimated fluorometrically (excitation at 254 nm; measurement, in presence of KCl: 474 nm, in presence of NaCl: 445 nm). Reliable quantitative results were obtained with “length concentrations” of 0.8 μg/cm with respect to Sn. Detection is possible with 0.5 μg/cm.
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References
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Turina, N. Thin-layer chromatography of tin on a cellulose support using fluorescent chloro-complexes. Chromatographia 9, 513–516 (1976). https://doi.org/10.1007/BF02282666
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DOI: https://doi.org/10.1007/BF02282666