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Journal Articles New Journal of Chemistry Year : 1999

Solubility of thorium phosphate-diphosphate


The solubility of the pure thorium phosphate-diphosphate, Th-4(PO4)(4)P2O7, has been measured in 0.1 M NaClO4 solutions by PERALS(R) spectrometry (photon electron rejecting alpha liquid scintillation), ICP-MS (inductively coupled plasma-mass spectrometry) and PIXE (particle induced X-ray emission). The results obtained by the three methods are in good agreement and show that the total concentration of thorium in solution is mainly controlled by the precipitation of two compounds:Th(HPO4)(2) in acidic media (PH less than or equal to 4.5) and Th(OH)(4) in basic and near-neutral media.
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Dates and versions

in2p3-00004211 , version 1 (20-03-2000)


  • HAL Id : in2p3-00004211 , version 1


B. Fourest, G. Lagarde, J. Perrone, V. Brandel, N. Dacheux, et al.. Solubility of thorium phosphate-diphosphate. New Journal of Chemistry, 1999, 23, pp.645-649. ⟨in2p3-00004211⟩
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