Phosphorus, Sulfur and Silicon and the Related Elements p. 2286 - 2294 (2011)
Update date:2022-08-11
Topics:
Zhang, You-Ming
Li, Ping
Lin, Qi
Wei, Tai-Bao
Li, Jun-Qiang
A simple and sensitive mercapto thiadiazole Schiff-base colorimetric chemosensor 2 was synthesized. It exhibits good selectivity and sensitivity for the mercury cation over other metal cations such as Zn2+, Pb 2+, Cd2+, Ni2+, Co2+, Ag+, Ca 2+, Mg2+, and Cr3+ in both aqueous solution and on paper-made test kits. The change in color is very easily observed by the naked eye for the presence of Hg2+ cation, whereas other metal cations do not induce such a change. The chemosensor 2 showed remarkably anti-interference ability toward other metal cations and the detection limit toward Hg2+ was 1.5 × 10-5 M. Copyright Taylor & Francis Group, LLC.
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