Laser-induced photoacoustic spectroscopy for the speciation of transuranic elements in natural aquatic systems

Kim, Jae-Il; Stumpe, R.; Klenze, R.

doi:10.1007/3-540-52423-1_5

Cited by 31 publications

(17 citation statements)

References 87 publications

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“…To overcome the difficulties involved in the study and evaluation of data for actinide elements, sensitive spectroscopic techniques have been developed [4,5]. These methods have been shown to provide insight into the behavior of actinides in aqueous solutions [5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

A Study of U(VI) Hydrolysis and Carbonate Complexation by Time-Resolved Laser-Induced Fluorescence Spectroscopy (TRLFS)

et al. 1994

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Chemical species of U(VI) in 0.1 Μ Perchlorate solutions in equilibrium with 0.03% C0 2 partial pressure were investigated by time-resolved laser-induced fluorescence spectroscopy. The emission spectra of U(VI) solutions (pH = 3.8 to 7.0) in solidliquid equilibrium with schoepite U0 3 · 2H 2 0 were interpreted by the summation of the emission spectra of the individual components, UO! + (aq), (U0 2 ) 2 (0H)r(aq), (UO 2 ) 3 (0H)i(aq) and U0 2 C0 3 (aq). Numerical evaluation of the emission spectra using the single component of the species gave a satisfactory agreement with the distribution of the species calculated from the formation constants of U(VI)-hydroxides and -carbonate complexes. Emission spectra of the higher carbonate species U0 2 (C0 3 )1" and U0 2 (C0 3 )^ could not be observed.

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Section: Introductionmentioning

confidence: 99%

A Study of U(VI) Hydrolysis and Carbonate Complexation by Time-Resolved Laser-Induced Fluorescence Spectroscopy (TRLFS)

et al. 1994

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“…Laser-Induced Photoacoustic Spectrometry (LIPAS), [83]. Absorbed photons excite electronic levels which decay by radiative or non-radiative processes.…”

Section: Methods For Direct Speciation Analysis Of Aerosolsmentioning

confidence: 99%

Speciation of Radionuclides in the Environment

Gunten

Beneš

1995

Radiochimica Acta

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Methods for the determination of the speciation of radionuclides in aerosols, in aquatic solutions, in sediments, soils and rocks are reviewed. At present, most of the results about speciation are deduced from model calculations, model experiments, and separation of species (forms) of radionuclides, e.g., by sequential extraction procedures. Methods of direct determination of speciation of radionuclides (e.g., by laser induced spectroscopy) are in general not yet sensitive enough for a measurement of the very low concentrations of radionuclides in the environment. The methodological part of this paper is followed by a review of the very abundant literature about speciation of important radionuclides in the environment, i.e., in the atmosphere, hydrosphere and lithosphère. The review does not include the biosphere. Literature up to spring 1993 is included (with a few more recent additions).

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“…The principle of the method is indicated in Fig. 12-22 [320]. The formulation is beyond the scope of this text.…”

Section: Speciation Of Lanthanides and Actinides Can Nowadays Be Achimentioning

confidence: 99%

Speciation of trace elements with special reference to the use of radioanalytical methods

Das

1994

Determination of Trace Elements

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Laser-induced photoacoustic spectroscopy for the speciation of transuranic elements in natural aquatic systems

Cited by 31 publications

References 87 publications

A Study of U(VI) Hydrolysis and Carbonate Complexation by Time-Resolved Laser-Induced Fluorescence Spectroscopy (TRLFS)

A Study of U(VI) Hydrolysis and Carbonate Complexation by Time-Resolved Laser-Induced Fluorescence Spectroscopy (TRLFS)

Speciation of Radionuclides in the Environment

Speciation of trace elements with special reference to the use of radioanalytical methods

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