Pressure Dependence of Carbonate Exchange with [NpO2(CO3)3]4- in Aqueous Solutions

Corey D. Pilgrim; Mavrik Zavarin; William H. Casey

doi:10.1021/acs.inorgchem.6b02604

Pressure Dependence of Carbonate Exchange with [NpO₂(CO₃)₃]^4- in Aqueous Solutions

Corey D. Pilgrim, Mavrik Zavarin, William H. Casey

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

6 Scopus citations

Abstract

The rates of ligand exchange into the geochemically important [NpO₂(CO₃)₃]^4- aqueous complex are measured as a function of pressure in order to complement existing data on the isostructural [UO₂(CO₃)₃]^4- complex. Experiments are conducted at pH conditions where the rate of exchange is independent of the proton concentration. Unexpectedly, the experiments show a distinct difference in the pressure dependencies of rates of exchange for the uranyl and neptunyl complexes.

Original language	English
Pages (from-to)	661-666
Number of pages	6
Journal	Inorganic Chemistry
Volume	56
Issue number	1
DOIs	https://doi.org/10.1021/acs.inorgchem.6b02604
State	Published - Jan 3 2017
Externally published	Yes

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abstract = "The rates of ligand exchange into the geochemically important [NpO2(CO3)3]4- aqueous complex are measured as a function of pressure in order to complement existing data on the isostructural [UO2(CO3)3]4- complex. Experiments are conducted at pH conditions where the rate of exchange is independent of the proton concentration. Unexpectedly, the experiments show a distinct difference in the pressure dependencies of rates of exchange for the uranyl and neptunyl complexes.",

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Pressure Dependence of Carbonate Exchange with [NpO₂(CO₃)₃]^4- in Aqueous Solutions

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