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Appl Radiat Isot. 2001 Oct;55(4):589-94. doi: 10.1016/s0969-8043(01)00097-5.

Plutonium oxidation states in seawater.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

G L Silver

Affiliations

  1. Los Alamos National Laboratory, NM 87545, USA. [email protected]

PMID: 11545516 DOI: 10.1016/s0969-8043(01)00097-5

Abstract

Studies of the oxidation-state distribution of plutonium in the ocean illustrate the need to characterize seawater by means of the pH, the E(H), and quanititative complexation parameters. The parameters are combined in an easy-to-use equation that determines the fractions of the four oxidation states. Similar analyses have been applied to plutonium in other solutions, and the same methods can be applied to seawater. An appendix shows how to estimate and interpret the alpha coefficient for tetravalent plutonium using published information for tetravalent thorium.

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