Colourimetric detection of Hg2+ by a chromogenic reagent based on methyl orange and open-chain polyazaoxaalkanes
作者:Felix Sancenón、Ramón Martı́nez-Máñez、Juan Soto
DOI:10.1016/s0040-4039(01)00671-2
日期:2001.6
The receptors L-1, L-2 and L-3 containing pendant aza-oxa binding sites have been synthesised and their UV-vis spectrum studied in the presence of alkali, alkali-earth and transition metal ions in dioxane. The dye L-3 changes its colour selectively upon Hg2+ addition. (C) 2001 Elsevier Science Ltd. All rights reserved.