Organic Luminescent Sensor for Mercury(II) and Iron(III) Ions in Aqueous Solutions

The substrate N1, N3, N5-tris(2-hydroxyphenyl)benzene-1,3,5-tricarboxamide (Sensor A) was prepared in the reaction of 1,3,5-benzenetricarboxylic acid (trimesic acid) and o-aminophenol ethanol. organic sensor fulfills chemiluminescent requirements including a luminophore, spacer, suitable binding receptor that distress probe’s luminescent features, providing selective sensitive detection mercury iron ions aqueous solutions. selectively detects water matrix containing various metal ions, sodium, calcium, magnesium, zinc, nickel. Strong immediate observed between at pH 7.0 with affinity toward Hg2+ 9-fold higher than for affinity, which makes distinctive luminescence ambient conditions. shows linear response concentration range from 50 ppb to 100 ppm (2.0 × 10−8 4.2 10−5 M) limit 2 (1.0 M). Further, Sensor A provides 10 1000 (1.5 1.5 10−3 measured adsorption capacity ranged 1.25 1.97 mg/g, removal efficiency samples reached 98.8% 7.0. data demonstrate is an excellent probe detecting removing bodies.