A direct determination of 239Pu in femtomole range in aquatic solution by neutron activation

J. I. Kim; W. Scheibner; F. Baumgärtner; R. Schwankner

doi:10.1007/BF00475764

A direct determination of ²³⁹Pu in femtomole range in aquatic solution by neutron activation

J. I. Kim, W. Scheibner, F. Baumgärtner, R. Schwankner

Chair of Radiochemistry (2008 — 2015)

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A method is presented which facilitates the direct determination of ²³⁹Pu in aquatic solution by the (n,f) reaction with reactor neutrons and subsequent gamma spectrometry without chemical elaboration. Trace impurities of water constituent heavy metal elements are simultaneously determined through their (n, γ) reactions. The sensitivity attained by this method is 1.6×10^-15 mol/l ²³⁹Pu by measuring the fission product pairs ¹³²Te/¹³²I or ¹⁴⁰Ba/¹⁴⁰La. The trace impurities determined in the range of 10^-8∼10^-13 mol/l give an insight into the chemical behaviour of Pu in a given water. The natural uranium concentration plays a role to limit the Pu determination on the one hand and to help understanding the chemical behaviour of Pu on the other hand.

Original language	English
Pages (from-to)	821-826
Number of pages	6
Journal	Fresenius' Zeitschrift für Analytische Chemie
Volume	323
Issue number	8
DOIs	https://doi.org/10.1007/BF00475764
State	Published - Jan 1986

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abstract = "A method is presented which facilitates the direct determination of 239Pu in aquatic solution by the (n,f) reaction with reactor neutrons and subsequent gamma spectrometry without chemical elaboration. Trace impurities of water constituent heavy metal elements are simultaneously determined through their (n, γ) reactions. The sensitivity attained by this method is 1.6×10-15 mol/l 239Pu by measuring the fission product pairs 132Te/132I or 140Ba/140La. The trace impurities determined in the range of 10-8∼10-13 mol/l give an insight into the chemical behaviour of Pu in a given water. The natural uranium concentration plays a role to limit the Pu determination on the one hand and to help understanding the chemical behaviour of Pu on the other hand.",

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AU - Baumgärtner, F.

AU - Schwankner, R.

PY - 1986/1

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N2 - A method is presented which facilitates the direct determination of 239Pu in aquatic solution by the (n,f) reaction with reactor neutrons and subsequent gamma spectrometry without chemical elaboration. Trace impurities of water constituent heavy metal elements are simultaneously determined through their (n, γ) reactions. The sensitivity attained by this method is 1.6×10-15 mol/l 239Pu by measuring the fission product pairs 132Te/132I or 140Ba/140La. The trace impurities determined in the range of 10-8∼10-13 mol/l give an insight into the chemical behaviour of Pu in a given water. The natural uranium concentration plays a role to limit the Pu determination on the one hand and to help understanding the chemical behaviour of Pu on the other hand.

AB - A method is presented which facilitates the direct determination of 239Pu in aquatic solution by the (n,f) reaction with reactor neutrons and subsequent gamma spectrometry without chemical elaboration. Trace impurities of water constituent heavy metal elements are simultaneously determined through their (n, γ) reactions. The sensitivity attained by this method is 1.6×10-15 mol/l 239Pu by measuring the fission product pairs 132Te/132I or 140Ba/140La. The trace impurities determined in the range of 10-8∼10-13 mol/l give an insight into the chemical behaviour of Pu in a given water. The natural uranium concentration plays a role to limit the Pu determination on the one hand and to help understanding the chemical behaviour of Pu on the other hand.

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A direct determination of ²³⁹Pu in femtomole range in aquatic solution by neutron activation

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