dc.contributor.author | Fortes, AD | |
dc.contributor.author | Wood, IG | |
dc.contributor.author | Hudson-Edwards, KA | |
dc.contributor.author | Gutmann, MJ | |
dc.date.accessioned | 2017-10-13T10:26:01Z | |
dc.date.issued | 2017-01-09 | |
dc.description.abstract | We have grown single crystals of M 2+ SO 4 hydrates at 270 K from aqueous solutions in the ternary systems CoSO 4 –MgSO 4 –H 2 O and MnSO 4 –MgSO 4 –H 2 O. These systems exhibit broad stability fields for a triclinic undecahydrate on the Mg-rich side (i.e., Co- or Mn-bearing meridianiite solid solutions) and stability fields for monoclinic heptahydrates on the Mg-poor side (i.e., Mg-bearing solid solutions of bieberite or mallardite). The solubility curves and distribution coefficients, describing the partitioning of M 2+ ions between liquid and solid phases, have been determined by thermo-gravimetric and spectroscopic techniques. A subset of M 2+ SO 4 ·11H 2 O specimens were selected for single-crystal time-of-flight neutron diffraction analysis in order to evaluate preferential occupancy of symmetry-inequivalent coordination polyhedra in the structure. Considering the nearly identical dimensions of the first coordination shells, there is a surprising difference in the distribution of Co and Mn over the two available sites. | en_GB |
dc.description.sponsorship | This work was supported in part by the Science and Technology Facilities Council, Fellowship number PP/E006515/1 and by STFC grant number ST/K000934/1. | en_GB |
dc.identifier.citation | Vol. 437, pp. 1 - 13 | en_GB |
dc.identifier.doi | 10.1016/j.fluid.2017.01.005 | |
dc.identifier.uri | http://hdl.handle.net/10871/29816 | |
dc.language.iso | en | en_GB |
dc.publisher | Elsevier | en_GB |
dc.rights | © 2017 The Author(s). Published by Elsevier B.V. Open Access funded by Science and Technology Facilities Council. Under a Creative Commons license: https://creativecommons.org/licenses/by/4.0/ | en_GB |
dc.subject | Meridianiite | en_GB |
dc.subject | Epsomite | en_GB |
dc.subject | Bieberite | en_GB |
dc.subject | Magnesium sulfate | en_GB |
dc.subject | Cobalt sulfate | en_GB |
dc.subject | Manganese sulfate | en_GB |
dc.subject | Solubility | en_GB |
dc.subject | Neutron diffraction | en_GB |
dc.title | Partitioning of Co2+ and Mn2+ into meridianiite (MgSO4·11H2O): Ternary solubility diagrams at 270 K; cation site distribution determined by single-crystal time-of-flight neutron diffraction and density functional theory | en_GB |
dc.type | Article | en_GB |
dc.date.available | 2017-10-13T10:26:01Z | |
dc.identifier.issn | 0378-3812 | |
dc.description | This is the final version of the article. Available from Elsevier via the DOI in this record. | en_GB |
dc.identifier.journal | Fluid Phase Equilibria | en_GB |