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Surface stoichiometry of zinc sulfide and its effect on the adsorption behaviors of xanthate

Overview of attention for article published in BMC Chemistry, November 2011
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Title
Surface stoichiometry of zinc sulfide and its effect on the adsorption behaviors of xanthate
Published in
BMC Chemistry, November 2011
DOI 10.1186/1752-153x-5-73
Pubmed ID
Authors

Meng Wang, Qi Zhang, Wei Hao, Zhong-Xi Sun

Abstract

In this paper, the surface stoichiometry, acid-base properties as well as the adsorption of xanthate at ZnS surfaces were studied by means of potentiometric titration, adsorption and solution speciation modeling. The surface proton binding site was determined by using Gran plot to evaluate the potentiometric titration data. Testing results implied that for stoichiometric surfaces of zinc sulfide, the proton and hydroxide determine the surface charge. For the nonstoichiometric surfaces, the surface charge is controlled by proton, hydroxide, zinc and sulfide ions depending on specific conditions. The xanthate adsorption decreases with increasing solution pH, which indicates an ion exchange reaction at the surfaces. Based on experimental results, the surface protonation, deprotonation, stoichiometry and xanthate adsorption mechanism were discussed.

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The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 41 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 13 32%
Student > Bachelor 6 15%
Student > Master 5 12%
Researcher 4 10%
Professor 2 5%
Other 7 17%
Unknown 4 10%
Readers by discipline Count As %
Chemistry 9 22%
Materials Science 7 17%
Physics and Astronomy 5 12%
Engineering 4 10%
Chemical Engineering 3 7%
Other 4 10%
Unknown 9 22%