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Title: SE-72/AS-72 generator system based on Se extraction/ As reextraction

Abstract

The preparation of a .sup.72Se/.sup.72As radioisotope generator involves forming an acidic aqueous solution of an irradiated alkali bromide target such as a NaBr target, oxidizing soluble bromide in the solution to elemental bromine, removing the elemental bromine, evaporating the resulting solution to a residue, removing hydrogen chloride from the residue, forming an acidic aqueous solution of the residue, adding a chelator that selectively forms a chelation complex with selenium, and extracting the chelation complex from the acidic aqueous solution into an organic phase. As the .sup.72Se generates .sup.72As in the organic phase, the .sup.72As may be extracted repeatedly from the organic phase with an aqueous acid solution.

Inventors:
;
Issue Date:
Research Org.:
LANL (Los Alamos National Laboratory (LANL), Los Alamos, NM (United States))
Sponsoring Org.:
USDOE
OSTI Identifier:
1092935
Patent Number(s):
8,529,873
Application Number:
13/216,964
Assignee:
Los Alamos National Security, LLC (Los Alamos, NM) LANL
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Fassbender, Michael Ernst, and Ballard, Beau D. SE-72/AS-72 generator system based on Se extraction/ As reextraction. United States: N. p., 2013. Web.
Fassbender, Michael Ernst, & Ballard, Beau D. SE-72/AS-72 generator system based on Se extraction/ As reextraction. United States.
Fassbender, Michael Ernst, and Ballard, Beau D. Tue . "SE-72/AS-72 generator system based on Se extraction/ As reextraction". United States. https://www.osti.gov/servlets/purl/1092935.
@article{osti_1092935,
title = {SE-72/AS-72 generator system based on Se extraction/ As reextraction},
author = {Fassbender, Michael Ernst and Ballard, Beau D},
abstractNote = {The preparation of a .sup.72Se/.sup.72As radioisotope generator involves forming an acidic aqueous solution of an irradiated alkali bromide target such as a NaBr target, oxidizing soluble bromide in the solution to elemental bromine, removing the elemental bromine, evaporating the resulting solution to a residue, removing hydrogen chloride from the residue, forming an acidic aqueous solution of the residue, adding a chelator that selectively forms a chelation complex with selenium, and extracting the chelation complex from the acidic aqueous solution into an organic phase. As the .sup.72Se generates .sup.72As in the organic phase, the .sup.72As may be extracted repeatedly from the organic phase with an aqueous acid solution.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2013},
month = {9}
}

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