Paper Title:
Study on the Adsorption Capability of Nano-Barium-Strontium Titanate Immobilized on Aluminum Oxide for Zinc Ion
  Abstract

Zinc ion was adsorbed and enriched by nano-barium-strontium titanate immobilized on aluminum oxide(ABST). The adsorption and elution conditions were investigated. The results showed that ABST had strong adsorption ability for zinc ion in water in the medium at pH more than 4.0. The maximum adsorption capability was up to 16.38 mg/g. The adsorbed zinc on ABST could be eluted and reclaimed with 0.5 mol/L of HNO3. Zinc was determined by flame atomic absorption spectrophotometry (FAAS). The detection limit of this method for zinc ion was 2.5 μg/L. The method had been applied to the determination of trace zinc in surface water and tap water samples with recovery of 92.5%-98.7%. The results were found to be in agreement with the method of dithizone spectrophotometry.

  Info
Periodical
Chapter
I. Solid Materials
Edited by
Fei Hu and Beibei Wang
Pages
147-150
DOI
10.4028/www.scientific.net/AMR.279.147
Citation
D. Zhang, Y. L. Zhang, "Study on the Adsorption Capability of Nano-Barium-Strontium Titanate Immobilized on Aluminum Oxide for Zinc Ion", Advanced Materials Research, Vol. 279, pp. 147-150, 2011
Online since
July 2011
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