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Extraction of Nb and Ta, homolgues of Db, from sulphuric acid solutions with TOA in toluene using SISAK
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L. Zheng
Published/Copyright:
September 25, 2009
Extractions of niobium and tantalum as homologues of dubnium (element 105) into tri-octylamine (TOA) in toluene from H2SO4 and H2SO4/K2SO4 solutions were performed to explore the possibilities of applying the automated on-line liquid–liquid extraction system SISAK to study chemical properties of dubnium in solutions. The results show that the extraction systems TOA/H2SO4 and TOA/H2SO4+K2SO4 are promising with respect to performing a study of Db with the SISAK system. Suggestions for performing a SISAK Db-experiment are presented. In batch experiments, Pa has also been investigated.
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Received: 2007-April-20
Accepted: 2007-July-25
Published Online: 2009-09-25
Published in Print: 2008-01
© Oldenbourg Wissenschaftsverlag
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Keywords for this article
Dubnium;
Liquid-liquid extraction;
Complex formation;
SISAK;
Tri-octylamine
Articles in the same Issue
- TRLFS and EXAFS investigations of lanthanide and actinide complexation by triflate and perchlorate in an ionic liquid
- Temperature effects on the interaction mechanisms between U(VI) and Eu(III) and ZrP2O7: experiment and modelling
- Adsorption and kinetic desorption study of 152+154Eu(III) on multiwall carbon nanotubes from aqueous solution by using chelating resin and XPS methods
- Radiochemical separation and analytical determination of 10Be from proton-irradiated graphite targets
- Liquid–liquid extraction of uranium from nitric acid solution using di-n-butylsulfoxide in petroleum ether as extractant
- Extraction of Nb and Ta, homolgues of Db, from sulphuric acid solutions with TOA in toluene using SISAK
- Species dependent radiotracer study of Cr(VI) and Cr(III) using an aqueous biphasic system
- 177Lu-DOTMP: A viable agent for palliative radiotherapy of painful bone metastasis
- Analysis of pencil graphite samples of various origins using instrumental neutron activation analysis
