Effect of some metal ions on the complexation of strontium with humic acid

A. Helal; H. Aly; D. Imam; S. Khalifa

doi:10.1007/bf02386430

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 227: Issue 1-2

Effect of some metal ions on the complexation of strontium with humic acid

Authors:

A. Helal

A. Helal Hot Laboratory Centre Atomic Energy Authority 13759 Cairo Egypt

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H. Aly

H. Aly Hot Laboratory Centre Atomic Energy Authority 13759 Cairo Egypt

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D. Imam

D. Imam Hot Laboratory Centre Atomic Energy Authority 13759 Cairo Egypt

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S. Khalifa

S. Khalifa Hot Laboratory Centre Atomic Energy Authority 13759 Cairo Egypt

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Pages:: 49–53

Online Publication Date:: 12 Apr 2006

Publication Date:: 17 Jan 1998

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02386430

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Abstract

The formation of Sr-humate precipitate was studied colourimetrically and radiometrically at different pH's. It was found that, increasing of the Sr²⁺ concentration or the pH value of the solution increases the precipitated complex. The competition effect of Mg²⁺, Ca²⁺, Ni²⁺, and Ba²⁺ on the complexation of Sr²⁺ by humic acid indicated that both Mg²⁺ and Ni²⁺ substitute Sr²⁺ in humate complex, while Ba²⁺ has a very little effect. In case of Ca²⁺, increasing of its concentration enhances the precipitation of Sr²⁺ with humic acid.

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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)