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International Research Journal of Pure and Applied Chemistry

International Research Journal of Pure and Applied Chemistry, ISSN: 2231-3443,Vol.: 3, Issue.: 1 (January-March)

 

Original Research Article

 

Grinding-Assisted Solid-State Metathetic Synthesis of Divalent Transition Metal Tungstates

 

 

U. Sujana Kumari1*, P. Suresh1 and A. V. Prasada Rao1

1Department of Inorganic and Analytical Chemistry, Andhra University, Visakhapatnam, 530003, India.

 

Abstracts

 

A convenient solid state metathetic synthesis has been developed for the preparation of metal tungstates MWO4 where M = Mn, Fe, Co, Ni and Zn using Na2WO4 and respective MCl2 as reactants. Stoichiometric quantities of respective reactants were mixed and ground for 2hrs. XRD patterns of the homogenised mixture heat treated at 400ºC for 4hrs and then washed free from NaCl bye product were in good agreement with the respective JCPDS data showing the formation of phase pure compounds in each case without any contamination. Microstructural investigation indicated particle size of the order of µm.

 

Keywords :

Solid state metathesis; manganese tungstate; iron tungstate; cobalt tungstate; nickel tungstate; zinc tungstate.

 

Full Article - PDF    Page 1-9    Article Metrics

 

DOI : 10.9734/IRJPAC/2013/2748

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