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Hamid Khanmohammadi

Hamid Khanmohammadi

Academic rank: Professor
ORCID: https://orcid.org/0000-0001-5600-4738
Education: PhD.
ScopusId: 22734138900
Faculty: Science
Address: Arak University
Phone:

Research

Title
Rapid detection of HSO4ˉ in water: Novel immobilized azo-azomethine colorimetric anion receptors on solid supports
Type
JournalPaper
Keywords
Azo-Azomethine; Bisulfate detection; Colorimetric sensor; Schiff base; NaY zeolite
Year
2018
Journal Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
DOI
Researchers Saba Mahdavi Hezaveh ، Hamid Khanmohammadi ، Mojgan Zendehdel

Abstract

The immobilized azo-azomethine receptors on amorphous SiO2, S-B, SiO2 nanoparticles, S-NPs, and NaY zeolite, S-ZY, have been prepared and applied as solid phase sensors for detection of HSO4ˉ, over other interfering anions, in 100% aqueous media. Remarkably, S-B and S-ZY show unique and rapid sensitivity towards HSO4ˉ, which could it easily visualized through naked eye detection even at 5×10-4 molL-1 and 4×10-4 molL-1, respectively. The fabricated solid phase sensors were characterized using powder XRD diffraction, TGA-DTA, FE-SEM and also FT-IR techniques. Moreover, the related molecular anion receptor, HL, has been prepared and used for naked eye detection of Fˉ and AcOˉ, in dry DMSO. The anions recognition ability of HL was also evaluated using UV–Vis and 1H NMR spectroscopic methods.