The first observation of a Th3+ ion in aqueous solution

Polyhedron

Volumn 16, Issue 6, 1996, Pages 989-991

  Klapötke, Thomas M ^a   Schulz, Axel ^a  

^a UNIVERSITY OF GLASGOW   (United Kingdom)

Author keywords

Azides; Electronic spectra; ESR spectra; Hydrazoic acid; Thorium chemistry

Indexed keywords

EID: 0038908408     PISSN: 02775387     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0277-5387(96)00356-7     Document Type: Article

References (30)

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18. 0 [ Eq. (1)] = -3.0 V + 3.54 V = +0.54 V.
19. US Department of Commerce, National Bureau of Standards, Selected Values of Chemical Thermodynamic Properties, United States Government Printing Office, Washington, D.C., 1982.
20. (a) Safety Note: Thorium is radioactive and hydrazoic acid is very toxic and, as pure material, explosive [12a];
21. 3+ (aq) is not the result of measurement, but is based on the assumption of a 100% yield.
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23. IV oxide hydroxide was recovered after filtration.
24. The low energy f → f transitions (> 1300 nm) could not be observed because of strong absorptions of water (solvent) in this region.
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28. Absorption spectra : Shimadzu UV-3101 PC UV-vis-NIR spectrophotometer; spectra recorded at room temperature in 5-mm quartz cells.
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30. ESR spectra: Bruker ESR 200 D-SRC spectrometer; 9.48 GHz, 2 dB attenuation, sweeptime 50 s, modulation 25 G; sample temperature -140°C.