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A new simple and inexpensive optical chemical sensor for mercury(II) ions is presented. The mercury sensing system has prepared by incorporating of l-[2-pyridylazo]-2-naphthol as a suitable ligand for Hg(II) on triacetyl cellulose. The proportionality in intensity of the membrane color on the optodes loaded with varying amounts of Hg(II) suggests its potential applications for screening of Hg(II)...
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