Paper Titles in Periodical
International Letters of Chemistry, Physics and Astronomy
Volume 12
Subscribe

Subscribe to our Newsletter and get informed about new publication regulary and special discounts for subscribers!

ILCPA > Volume 12 > Selective Separation of Cerium from Lanthanides by...
< Back to Volume

Selective Separation of Cerium from Lanthanides by Extractive Photometry Using HDBE as Novel Reagent

Download PDF

Abstract:

Striking similarities in properties of lanthanides make their separation a difficult task. Development of highly selective analytical reagent hexane-2,5-dione-bis(ethylenediamine) HDBE that forms brown coloured complex with Ce(IV) which is quantitatively extracted into xylene at pH 6.4. Transfer of extracted complex to organic phase is very fast (<1min.). Optimum concentration of reagent required for complexation and full colour development is very low (0.8 cm3 of 0.1 % HDBE). Absorption maximum exhibited at 518 nm. Beer’s law is obeyed in the detectable range 0.3-4.0 ppm. The molar absorptivity and Sandell’s sensitivity values are 0.421·104 dm3· mol-1·cm-1 and 0.017 µg·cm-2 respectively. The present method is time honoured, permits selective separation of cerium from associated lanthanones using HDBE as a novel complexing agent.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 12)
Pages:
144-150
DOI:
10.18052/www.scipress.com/ILCPA.12.144
Citation:
Y. Bambardekar et al., "Selective Separation of Cerium from Lanthanides by Extractive Photometry Using HDBE as Novel Reagent", International Letters of Chemistry, Physics and Astronomy, Vol. 12, pp. 144-150, 2013
Online since:
Sep 2013
Export:
Distribution: