Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 258: Issue 3
Exchange properties of cyanide complexes
Authors:
A. Nilchi Atomic Energy Organization of Iran Jaber Ibn Hayan Research Laboratories P.O. Box 11365 8486 Tehran Iran

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B. Malek Atomic Energy Organization of Iran Jaber Ibn Hayan Research Laboratories P.O. Box 11365 8486 Tehran Iran

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M. Ghanadi Maragheh Atomic Energy Organization of Iran Jaber Ibn Hayan Research Laboratories P.O. Box 11365 8486 Tehran Iran

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A. Khanchi Atomic Energy Organization of Iran Jaber Ibn Hayan Research Laboratories P.O. Box 11365 8486 Tehran Iran

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Pages:
457–462
Online Publication Date:
01 Nov 2004
Publication Date:
17 Dec 2003
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jrnc.0000011738.46843.ff
Restricted access

Abstract  

Some heavy metal ferrocyanides were prepared and their selectivity towards cesium was investigated. Many were found to have good ion exchange properties and some can be easily prepared in a granular form suitable for the use in a packed column operation. The ferrocyanides show high cesium uptake in various simulated processing solutions relevant to the treatment of radioactive wastes. The amount of cesium sorbed by these hexacyanoferrates exceeded 99%. They also possess a high selectivity for cesium in solutions of high salt concentration. Desorption of the sorbed cesium at various nitric acid concentrations have been investigated and it is concluded that cesium is eluted by a chemical reaction step as a consequence of the oxidation of the ferrocyanides. It has also been observed that ferrocyanides degrade in solutions of low pH.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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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)

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