Indian Streams Research Journal

Volume : V, Issue : IV, May - 2015

LIQUID LIQUID EXTRACTION OF PLATINUM (IV) WITH CYANEX 301

Bhanu Raman, S.S. Salunke and Bright O’ Philip

By : Laxmi Book Publication

Abstract :

This paper describes experimental work of solvent extraction of Pt (IV) from acidic aqueous media with Cyanex 301 as extractant in chloroform. Various parameters such as acid concentration, reagent concentration, SnCl2 concentration, shaking time, effect of diluents and effect of foreign ions were studied. Quantitative extraction of Pt (IV) in 0.6M HCl and 1.1 ml of 1M SnCl2 stannous chloride was possible with 0.08 M Cyanex 301 after 75 seconds of shaking .The yellow coloured Pt-Cyanex 301 complex exhibits maximum absorption 425nm where extraction of reagent was found to be negligible. The complex is stable more than 48 hrs. The probable composition of the species has been deduced from the extraction data. Beer-Lambert law is obeyed in the concentration range 30µg -160µg with Sandell’s sensitivity of 3.824 x 10-3 µg/mL/cm2 and molar absorptivity of 51,411 mole-1.cm-1.dm3. A study of effect of diverse ions on the extraction showed that several metals ions like Fe+2, Fe +3, Mn+2, Mg+2, Ti+4, Sr+2 do not interfere during the extraction and estimation of platinum.

Keywords :

• Platinum
• Cyanex 301
• Chloroform
• Extraction
• Platinum
• Cyanex 301
• Chloroform
• Extraction
• Extraction
• Platinum
• Cyanex 301
• Chloroform
• Extraction
• Platinum
• Cyanex 301
• Chloroform
• Extraction
• Platinum
• Cyanex 301
• Chloroform
• Extraction
• Platinum
• Cyanex 301
• Chloroform

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References :

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29. Lagowski, J. J., ed. (2004). Chemistry Foundations and Applications 3. Thomson Gale. pp. 267–268. ISBN 0-02-865724-1.
30. Lagowski, J. J., ed. (2004). Chemistry Foundations and Applications 3. Thomson Gale. pp. 267–268. ISBN 0-02-865724-1.
31. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
32. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
33. Lagowski, J. J., ed. (2004). Chemistry Foundations and Applications 3. Thomson Gale. pp. 267–268. ISBN 0-02-865724-1.
34. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
35. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
36. Lagowski, J. J., ed. (2004). Chemistry Foundations and Applications 3. Thomson Gale. pp. 267–268. ISBN 0-02-865724-1.
37. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
38. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
39. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
40. Lagowski, J. J., ed. (2004). Chemistry Foundations and Applications 3. Thomson Gale. pp. 267–268. ISBN 0-02-865724-1.
41. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.
42. Kauffman, George B.; Thurner, Joseph J.; Zatko, David A. (1967). "Ammonium Hexachloro platinate(IV)". Inorganic Syntheses. Inorganic Syntheses9: 182–185 doi:10.1002/9780470132401.ch51. ISBN 978-0-470-13240-1.

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