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S. Shakshooki El-Fateh University and Nuclear Research Center Department of Chemistry P. O. Box 13203 Tripoli Libyan Arab Jamahiriya

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E. Arafa El-Fateh University and Nuclear Research Center Department of Chemistry P. O. Box 13203 Tripoli Libyan Arab Jamahiriya

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F. Siala El-Fateh University and Nuclear Research Center Department of Chemistry P. O. Box 13203 Tripoli Libyan Arab Jamahiriya

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M. El-Mellah El-Fateh University and Nuclear Research Center Department of Chemistry P. O. Box 13203 Tripoli Libyan Arab Jamahiriya

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S. El-Hamruni El-Fateh University and Nuclear Research Center Department of Chemistry P. O. Box 13203 Tripoli Libyan Arab Jamahiriya

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A. Bejey El-Fateh University and Nuclear Research Center Department of Chemistry P. O. Box 13203 Tripoli Libyan Arab Jamahiriya

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F. Beshewa El-Fateh University and Nuclear Research Center Department of Chemistry P. O. Box 13203 Tripoli Libyan Arab Jamahiriya

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Abstract  

Glassy tin arsenate, Sn(HAsO4)2·2.7H2O (SnAs) was prepared and characterized. The uptake of lanthanide ions La3+, Sm3+, Eu3+, and Yb3+ was followed on the glassy tin arsenate in HNO3 solution at pH 1,2 and 4. The radiotracers are140La,153Sm,152mEu, and175Yb. 500 μl (4.0·10−5 mmole) of each solution of the tracer as a mixture plus 7.5 ml HNO3 solution at the desired pH were equilibrated with 0.1g of SnAs. The selectivity order (Kd values) was found to be dependent on the pH. At pH 2 theKd values were high for all the studied metal ions [Yb (2065.4)>La (1976.1)>Sm (1826.4)>Eu (1754.4)]. TheKd values at pH 1 and 4 are quite low for all the metal ions studied. At pH 1 they range from ≈144 to 156 and at pH 4 they range from ≈70 to 79.

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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)