Coordination of Cr(III) and Cu(II) ions in molten sulphates |
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| Affiliation: | 1. Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan;2. Southern Cross GeoScience, Southern Cross University, Lismore 2480, NSW, Australia;3. MARUM and Department of Geosciences, University of Bremen, Bremen D-28359, Germany |
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| Abstract: | The absorption spectra of Cr(III) and Cu(II) in molten sulphate are analysed by ligand field theory. It is suggested that Cr3+ is in octahedral coordination with Δ = 14·3 kK and β 0·72, indicating some degree of π-bonding, while Cu2+ is in highly tetragonal coordination, which is unusual for only one type of bonding ligand. |
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