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5-Hydroxy-1-aryl-4-pyridone-2-carboxylic Acid Esters as Chelating and Extracting Agents. I. Extraction and Separation of Tantalum(V) and Niobium(V) from Oxalate Solutions

M. J. Herak ; Institute »Ruder Boskovic« and Institute of Inorganic and Analytical Chemistry, University of Zagreb, Zagreb, Croatia, Yugoslavia
M. Janko ; Institute »Ruder Boskovic« and Institute of Inorganic and Analytical Chemistry, University of Zagreb, Zagreb, Croatia, Yugoslavia
K. Blažević ; Institute »Ruder Boskovic« and Institute of Inorganic and Analytical Chemistry, University of Zagreb, Zagreb, Croatia, Yugoslavia

Puni tekst: engleski, pdf (6 MB) str. 85-91 preuzimanja: 34* citiraj
APA 6th Edition
Herak, M.J., Janko, M. i Blažević, K. (1969). 5-Hydroxy-1-aryl-4-pyridone-2-carboxylic Acid Esters as Chelating and Extracting Agents. I. Extraction and Separation of Tantalum(V) and Niobium(V) from Oxalate Solutions. Croatica Chemica Acta, 41 (2), 85-91. Preuzeto s https://hrcak.srce.hr/207958
MLA 8th Edition
Herak, M. J., et al. "5-Hydroxy-1-aryl-4-pyridone-2-carboxylic Acid Esters as Chelating and Extracting Agents. I. Extraction and Separation of Tantalum(V) and Niobium(V) from Oxalate Solutions." Croatica Chemica Acta, vol. 41, br. 2, 1969, str. 85-91. https://hrcak.srce.hr/207958. Citirano 27.02.2021.
Chicago 17th Edition
Herak, M. J., M. Janko i K. Blažević. "5-Hydroxy-1-aryl-4-pyridone-2-carboxylic Acid Esters as Chelating and Extracting Agents. I. Extraction and Separation of Tantalum(V) and Niobium(V) from Oxalate Solutions." Croatica Chemica Acta 41, br. 2 (1969): 85-91. https://hrcak.srce.hr/207958
Harvard
Herak, M.J., Janko, M., i Blažević, K. (1969). '5-Hydroxy-1-aryl-4-pyridone-2-carboxylic Acid Esters as Chelating and Extracting Agents. I. Extraction and Separation of Tantalum(V) and Niobium(V) from Oxalate Solutions', Croatica Chemica Acta, 41(2), str. 85-91. Preuzeto s: https://hrcak.srce.hr/207958 (Datum pristupa: 27.02.2021.)
Vancouver
Herak MJ, Janko M, Blažević K. 5-Hydroxy-1-aryl-4-pyridone-2-carboxylic Acid Esters as Chelating and Extracting Agents. I. Extraction and Separation of Tantalum(V) and Niobium(V) from Oxalate Solutions. Croatica Chemica Acta [Internet]. 1969 [pristupljeno 27.02.2021.];41(2):85-91. Dostupno na: https://hrcak.srce.hr/207958
IEEE
M.J. Herak, M. Janko i K. Blažević, "5-Hydroxy-1-aryl-4-pyridone-2-carboxylic Acid Esters as Chelating and Extracting Agents. I. Extraction and Separation of Tantalum(V) and Niobium(V) from Oxalate Solutions", Croatica Chemica Acta, vol.41, br. 2, str. 85-91, 1969. [Online]. Dostupno na: https://hrcak.srce.hr/207958. [Citirano: 27.02.2021.]

Sažetak
The extraction of niobium and tantalum from oxalate solution
has been studied using the esters of 5-hydroxy-l-aryl-4-pyridone-
2-carboxylic acid as extractants. The influence of the concentration
of hydrochloric, sulphuric, hydrofluoric and oxalic acids on the
extraction of niobium and tantalum has been investigated. The
dependence of the extraction of these metals upon the concentration
of the extractant in the organic phase was also studied. A
procedure for the separation of niobium from tantalum directly
from oxalate solution is described. The radionuclides 95Nb and 182Ta
were used for the determination of the distribution coefficients.

Hrčak ID: 207958

URI
https://hrcak.srce.hr/207958

Posjeta: 79 *