Determination by Neutron Activation Analysis of the Burn-Up Indicator Neodymium-148 in Irradiated Uranium Dioxide-Plutonium Dioxide

M. R. Monsecour; A. C. Demildt

doi:10.1021/ac60270a009

Determination by Neutron Activation Analysis of the Burn-Up Indicator Neodymium-148 in Irradiated Uranium Dioxide-Plutonium Dioxide

M. R. Monsecour, A. C. Demildt

Research output › peer-review

Abstract

A radiochemical method has been developed for the isolation of Nd from irradiated UO₂-PuO₂fuel elements and measurement of ¹⁴⁸Nd by neutron activation analysis. The method is based on separation by reversed phase chromatography, with di(2 ethyl)hexyl-orthophosphoricacid (D2EHPA) as the stationary phase, and anion exchange on Dowex 1-X4 columns mixed with PbO₂. The chemical yield, after the subsequent steps, is determined by adding ¹⁴⁷Nd tracer at the start of the separation procedure. The ¹⁴⁸Nd (n,γ) ¹⁴⁹Nd neutron activation reaction carried out in the BR 2 reactor is used for the radiochemical determination.

Original language	English
Pages (from-to)	27-31
Number of pages	5
Journal	Analytical chemistry
Volume	41
Issue number	1
DOIs	https://doi.org/10.1021/ac60270a009
State	Published - Jan 1969

ASJC Scopus subject areas

Analytical Chemistry

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10.1021/ac60270a009

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title = "Determination by Neutron Activation Analysis of the Burn-Up Indicator Neodymium-148 in Irradiated Uranium Dioxide-Plutonium Dioxide",

abstract = "A radiochemical method has been developed for the isolation of Nd from irradiated UO2-PuO2fuel elements and measurement of 148Nd by neutron activation analysis. The method is based on separation by reversed phase chromatography, with di(2 ethyl)hexyl-orthophosphoricacid (D2EHPA) as the stationary phase, and anion exchange on Dowex 1-X4 columns mixed with PbO2. The chemical yield, after the subsequent steps, is determined by adding 147Nd tracer at the start of the separation procedure. The 148Nd (n,γ) 149Nd neutron activation reaction carried out in the BR 2 reactor is used for the radiochemical determination.",

author = "Monsecour, {M. R.} and Demildt, {A. C.}",

year = "1969",

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N2 - A radiochemical method has been developed for the isolation of Nd from irradiated UO2-PuO2fuel elements and measurement of 148Nd by neutron activation analysis. The method is based on separation by reversed phase chromatography, with di(2 ethyl)hexyl-orthophosphoricacid (D2EHPA) as the stationary phase, and anion exchange on Dowex 1-X4 columns mixed with PbO2. The chemical yield, after the subsequent steps, is determined by adding 147Nd tracer at the start of the separation procedure. The 148Nd (n,γ) 149Nd neutron activation reaction carried out in the BR 2 reactor is used for the radiochemical determination.

AB - A radiochemical method has been developed for the isolation of Nd from irradiated UO2-PuO2fuel elements and measurement of 148Nd by neutron activation analysis. The method is based on separation by reversed phase chromatography, with di(2 ethyl)hexyl-orthophosphoricacid (D2EHPA) as the stationary phase, and anion exchange on Dowex 1-X4 columns mixed with PbO2. The chemical yield, after the subsequent steps, is determined by adding 147Nd tracer at the start of the separation procedure. The 148Nd (n,γ) 149Nd neutron activation reaction carried out in the BR 2 reactor is used for the radiochemical determination.

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