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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Analysis of mercury ions in effluents using potentiometric sensor based on nanocomposite cation exchanger Polyaniline–zirconium titanium phosphate  [2011]

Khan, Asif Ali; Paquiza, Leena;

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The objective of the present research was to synthesize, characterize and to investigate the efficiency of an advanced class of hybrid nano-composite cation exchanger for the detection of mercury(II) ion in aqueous solution. In the present study the cation exchanger ployaniline–zirconium titanium phosphate (PANI–ZTP) nanocomposite, was synthesized via sol–gel mixing of organic polymer polyaniline (PANI) into the matrices of the inorganic precipitate of zirconium titanium phosphate (ZTP), having extraordinary ion exchange capacity, thus used as electroactive component for the construction of an ion-selective membrane electrode. The proposed electrode shows fairly good discrimination of mercury ion over several other inorganic ions. The membrane electrode was mechanically stable, having wide dynamic range of 10⁻¹⁰mol/m³ to 10⁻¹mol/m³ of Hg²⁺ ions, with quick response time and could be operated for at least 4months without any considerable divergence in the potential response characteristics. The electrode was successfully applied for direct determination of mercury ions in some real sample with satisfactory results and acts as indicator electrode in complexation titrations.
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ISSN : 0011-9164

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
Volume:
272
Issue:
1-3
Start Page:
278
End Page:
285
Publisher:
Elsevier B.V.
All titles:
"Analysis of mercury ions in effluents using potentiometric sensor based on nanocomposite cation exchanger Polyaniline–zirconium titanium phosphate"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
Volume:
272
Issue:
1-3
Start Page:
278
End Page:
285
Publisher:
Elsevier B.V.
All titles:
"Analysis of mercury ions in effluents using potentiometric sensor based on nanocomposite cation exchanger Polyaniline–zirconium titanium phosphate"@eng