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Issue 7, 2015
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Ultratrace detection of toxic heavy metal ions found in water bodies using hydroxyapatite supported nanocrystalline ZSM-5 modified electrodes

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Abstract

Silver ion-exchanged nanocrystalline ZSM-5 (Ag-Nano-ZSM-5) and ZSM-5 (Ag-ZSM-5) materials were synthesized. Hydroxyapatite supported on zeolite materials were prepared by incubating the Ag ion-exchanged zeolite materials in simulated body fluid at 310 K. The resultant materials were characterized using X-ray diffraction, N2-adsorption and Scanning/Transmission electron microscopy. Hydroxyapatite supported on Ag ion-exchanged zeolite modified glassy carbon electrodes were fabricated and investigated as electrochemical sensors in the detection of toxic heavy metal ions (Cd2+, Pb2+, As3+, and Hg2+). The results show that the developed sensor exhibited excellent electro-catalytic activity, sensitivity, and stability toward the detection of selected heavy metal ions. The analytical application of the developed sensor is shown in the determination of heavy metal ions found in different water bodies.

Graphical abstract: Ultratrace detection of toxic heavy metal ions found in water bodies using hydroxyapatite supported nanocrystalline ZSM-5 modified electrodes

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Supplementary files

Article information


Submitted
22 Dec 2014
Accepted
31 Mar 2015
First published
08 Apr 2015

New J. Chem., 2015,39, 5137-5149
Article type
Paper
Author version available

Ultratrace detection of toxic heavy metal ions found in water bodies using hydroxyapatite supported nanocrystalline ZSM-5 modified electrodes

B. Kaur, R. Srivastava and B. Satpati, New J. Chem., 2015, 39, 5137
DOI: 10.1039/C4NJ02369B

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