Page 1. Journal of Solution Chemistry, Vol. 26, No. 5, 1997 Apparent and Standard Molar Volumes a... more Page 1. Journal of Solution Chemistry, Vol. 26, No. 5, 1997 Apparent and Standard Molar Volumes and Heat Capacities of Aqueous Ni(CIO4)2 from 25 to 85~ Pujing Pan* and Allan B. Campbell Received October 21, 1996; revised April 8, 1997 ...
ABSTRACT Raman spectra of gold bromide complexes in acidic solutions (pH=-0.3–3) have been record... more ABSTRACT Raman spectra of gold bromide complexes in acidic solutions (pH=-0.3–3) have been recorded at 25° to 300°C and at pressures on the liquid vapor curve for the system. At 25°C, only the square planar Au(III) bromide complex, AuBr4-, is present in solution with bands at approximately 105, 197 and 215 cm-1. However, in these acidic solutions, when the temperature is 50°C or higher, the square planar Au(III) bromide complex is partially transformed into the linear Au(I) bromide complex, AuBr2-, with a single band near 208 cm-1. The transformation of the Au(III) square planar tetrabromo complex into the Au(I) linear dibromo complex is also favored by a reduction of the oxygen fugacity and an increase in pH.
Journal of nuclear energy science & power generation technology, 2013
Characterization of Uranium in Contaminated Soil from Port Hope, Ontario, Canada Strategies for r... more Characterization of Uranium in Contaminated Soil from Port Hope, Ontario, Canada Strategies for remediation of soil contaminated with uranium take into account environmental fate, bioavailability and toxicity of uranium, which depend to a large extent on its solubility in water. In general, uranium (IV) is considerably less soluble in water than uranium (VI). When trapped in certain minerals, uranium is less accessible to water, thus more difficult to leach. In this study we developed a method to separate and quantify uranium (IV) and (VI) species by ion chromatography coupled with the inductive coupled plasma mass spectrometry.
Page 1. Journal of Solution Chemistry, Vol. 26, No. 5, 1997 Apparent and Standard Molar Volumes a... more Page 1. Journal of Solution Chemistry, Vol. 26, No. 5, 1997 Apparent and Standard Molar Volumes and Heat Capacities of Aqueous Ni(CIO4)2 from 25 to 85~ Pujing Pan* and Allan B. Campbell Received October 21, 1996; revised April 8, 1997 ...
ABSTRACT Raman spectra of gold bromide complexes in acidic solutions (pH=-0.3–3) have been record... more ABSTRACT Raman spectra of gold bromide complexes in acidic solutions (pH=-0.3–3) have been recorded at 25° to 300°C and at pressures on the liquid vapor curve for the system. At 25°C, only the square planar Au(III) bromide complex, AuBr4-, is present in solution with bands at approximately 105, 197 and 215 cm-1. However, in these acidic solutions, when the temperature is 50°C or higher, the square planar Au(III) bromide complex is partially transformed into the linear Au(I) bromide complex, AuBr2-, with a single band near 208 cm-1. The transformation of the Au(III) square planar tetrabromo complex into the Au(I) linear dibromo complex is also favored by a reduction of the oxygen fugacity and an increase in pH.
Journal of nuclear energy science & power generation technology, 2013
Characterization of Uranium in Contaminated Soil from Port Hope, Ontario, Canada Strategies for r... more Characterization of Uranium in Contaminated Soil from Port Hope, Ontario, Canada Strategies for remediation of soil contaminated with uranium take into account environmental fate, bioavailability and toxicity of uranium, which depend to a large extent on its solubility in water. In general, uranium (IV) is considerably less soluble in water than uranium (VI). When trapped in certain minerals, uranium is less accessible to water, thus more difficult to leach. In this study we developed a method to separate and quantify uranium (IV) and (VI) species by ion chromatography coupled with the inductive coupled plasma mass spectrometry.
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