Abstract − Analytical Sciences, 20(7), 997 (2004).
Colorimetric Recognition of Different Enzymology-concerning Transition Metals Based on a Hybrid Cluster Complex
Shun-Hua LI, Wen-Tao YUAN, Hong ZHENG, and Jin-Gou XU
The Key Laboratory of Analytical Science of MOE and Department of Chemistry, Xiamen University, Xiamen 361005, P. R. China
A hybrid cluster complex, formed by chelating a chromogenic ligand to a [2Fe-2S] cluster, sensitively exhibited differential colorimetric responses towards Hg2+, Cd2+, Cr3+, Pb2+, Sn2+, Cu2+, Zn2+, Fe3+ and Co2+ in water at physiological pH. Speciation of some of these metal elements, such as Cr(III) and Sn(IV), was also studied by UV/Vis absorption.
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