Authors:
P. Mishra Utkal University Department of Chemistry Vani Vihar 751 004 Bhubaneswar (India)

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V. Chakra Vortty Utkal University Department of Chemistry Vani Vihar 751 004 Bhubaneswar (India)

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K. Dash Utkal University Department of Chemistry Vani Vihar 751 004 Bhubaneswar (India)

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N. Das Saha Institute of Nuclear Physics Nuclear Chemistry Division Bidhan Nagar 700 064 Calcutta (India)

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S. Bhattacharyya Saha Institute of Nuclear Physics Nuclear Chemistry Division Bidhan Nagar 700 064 Calcutta (India)

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Abstract  

Presence of thiocyanate ions results in appreciable extraction of Zr(IV) by Aliquat 336 from low aqueous HCl acidities, i.e., 0.1 to 4.5M. The variation of concentrations of HCl, thiocyanate and Aliquat 336 greatly influences the extent of extraction. Mixtures of Aliquat 336 and TOPO result in synergistic extraction of Zr and Hf from acidic thiocyanate media, the extracted species being the disolvate with TOPO. By controlled adjustment of HCl, SCN and Aliquat 336 concentrations, separation of Zr, Nb and Hf is possible. A maximum separation factor (DNb/DZr) of 3675 has been achieved under certain conditions.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)