A mercuric ensemble based on a cycloruthenated complex as a visual probe for iodide in aqueous solution
作者： Xianlong Su , Lieping Guo , Yajuan Ma , Xianghong Li
DOI: 10.1016/J.SAA.2015.07.087
关键词:
摘要: A new water-soluble cycloruthenated complex Ru(bthiq)(dcbpy)2(+) (1, Hbthiq=1-(2-benzo[b]thiophenyl)isoquinoline, dcbpy=4,4'-dicarboxylate-2,2'-bipyridine) was designed and synthesized to form its mercuric ensemble (1-Hg(2+)) achieve visual detection of iodide anions. The binding constant 1-Hg(2+) is calculated be 2.40×10(4)M(-1), which lower than that HgI2. Therefore, the addition I(-) aqueous solution 1-Hg(2+)lead significant color changes from yellow deep-red by release 1. results showed anions could easily detected naked eyes. limit anion as 0.77μM. In addition, an easily-prepared test strip obtained successfully detect
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