Solid phase extractive preconcentration of silver from aqueous samples and antimicrobial properties of the clinoptilolite

Solid phase extractive preconcentration of silver from aqueous samples and antimicrobial properties of the clinoptilolite–Ag composite

Published:2017-04-25 Issue:7-8 Volume:35 Page:602-611
ISSN:0263-6174
Container-title:Adsorption Science & Technology
language:en
Short-container-title:Adsorption Science & Technology

Author:

Vasylechko Volodymyr O¹,Fedorenko Viktor O²,Gromyko Oleksandr M²,Gryshchouk Galyna V²,Kalychak Yaroslav M²,Zaporozhets Olga A.³,Lototska Mariya T²

Affiliation:

1. Ivan Franko National University of Lviv, Ukraine; Lviv University of Trade and Economics, Ukraine

2. Ivan Franko National University of Lviv, Ukraine

3. Taras Shevchenko National University of Kyiv, Ukraine

Abstract

Sorptive properties of the Transcarpathian clinoptilolite compared to Ag(I) were studied in a dynamic way. The sorptive capacity value of clinoptilolite under the optimal conditions is 11.7 mg of Ag per 1 g of zeolite. The solid-phase extraction procedure with natural clinoptilolite thermally activated at 550℃ was used to preconcentrate trace amounts of silver ions in aqueous solutions to be finally determined by the atomic absorption method. It was established that the Ag–clinoptilolite composite has a powerful antimicrobial effect against gram-negative bacteria and yeasts as well as affects significantly vital activity of Staphylococcus aureus.

Publisher

Hindawi Limited

Subject

Surfaces and Interfaces,General Chemical Engineering,General Chemistry

Link

http://journals.sagepub.com/doi/pdf/10.1177/0263617417703509

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