Sensitive and selective heavy metal ion, Mn2+ sensor development based on the synthesized (E)-N′-chlorobenzylidene-benzenesulfonohydrazide (CBBSH) molecules modified with nafion matrix

Publication date: 25 July 2018Source: Journal of Industrial and Engineering Chemistry, Volume 63Author(s): Abdullah M. Asiri, Mohammad M. Hussain, Muhammad N. Arshad, Mohammed M. RahmanAbstractA set of (E)-N′-chlorobenzylidene-benzenesulfonohydrazide (CBBSH) molecules were synthesized using a condensation method from the derivatives of chlorobenzaldehyde and benzenesulfonylhydrazine in a medium yield which crystallized in EtOH. CBBSH derivatives were characterized using highly refined spectroscopic techniques such as 1H NMR, 13C NMR, FT-IR, FESEM, and UV–Vis. Structure of the CBBSH compounds was confirmed using a single crystal X-ray diffraction technique (SCXRDT) and applied for the potential detection of selective heavy metal ion (HMI), manganese ion (Mn2+) by using reliable electrochemical method. A small layer of CBBSH was deposited onto a smooth GCE with coating binder in order to modify a sensitive and selective Mn2+ sensor. Analytical parameters such as sensitivity, LOD, LOQ of the modified sensor (3-CBBSH/GCE) toward Mn2+ were calculated from the calibration curve (CC) as 1270.0 pA μM−1 cm−2, ≈10.0 pM, and 335.0 mM respectively. This prospective 3-CBBSH/GCE sensor used to the selective measurement of Mn2+ in spiked real samples for example industrial effluent and various water samples (red sea, surface, and tap), and found acceptable and rational results.Graphical abstract

Source: Journal of Industrial and Engineering Chemistry - July 11, 2018 Category: Chemistry Source Type: research