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Separation of no-carrier-added arsenic-77 from neutron irradiated germanium
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Tanveer Hussain Bokhari
Published/Copyright:
September 25, 2009
Abstract
Arsenic-77 (T1/2=1.6 d) was produced by irradiating natural germanium in Pakistan Research Reactor-1. The nuclear reaction 76Ge(n,γ) produces 77Ge, which decays by emission of β- particles into 77As. The neutron irradiated target was dissolved in aqua regia, excess of acid was removed by evaporation and finally the solution in basic media was passed through hydrous zirconium oxide (HZO) column. The Ge was quantitatively retained on HZO, while 77As was present in the effluent. More than 90% 77As was recovered. The chemical impurity of Ge in 77As was <0.01 μg/mL.
Published Online: 2009-09-25
Published in Print: 2009-08
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Keywords for this article
Germanium metal target;
Neutron irradiation;
No carrier added arsenic-77;
HZO column
Articles in the same Issue
- Proton induced reactions on 89Y with particular reference to the production of the medically interesting radionuclide 89Zr
- Recovery of U and Pu from simulated spent nuclear fuel by adducts of organic reagents with HNO3 followed by their separation from fission products by countercurrent chromatography
- New chemical sensors based on extraction systems for stable fission products analysis
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- Leaching of 53 MW/d kg U spent nuclear fuel in a flow-through reactor
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- Characterization of pottery from Cerro de Las Ventanas, Zacatecas, México
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