Schiff Base Functionalized 1,2,4-Triazole and Pyrene Derivative for Selective and Sensitive Detection of Cu ion in the Mixed Organic- Aqueous Media.

We have prepared Schiff base functionalized 1,2,4-triazole and pyrene derivative for selective, sensitive, and naked eye colorimetric detection of Cu in the mixed organic- aqueous media. Amongst the 18 different metal ions studied for absorption and fluorescence titration, only Cu ion encourages the modification in spectral properties of Schiff base functionalized 1,2,4-Triazole and Pyrene Probe. The stoichiometric ratio of the TP-Cu complex was determined to be 2:1 according to Job's plot. The lower detection limit estimated for Cu is 0.234 nM which shows excellent sensitivity and selectivity of the present analytical method towards detection of Cu ion in the mixed organic-aqueous media. The present approach has been successfully utilized for the quantitative determination of Cu ion from environmental aqueous solution.