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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Frost, Ray
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2020Volatilisation of trace elements during reduction of iron ore by hydrogencitations
- 2019Elemental deportment and chemical structure evolution of iron ore during direct reduction in hydrogen atmosphere
- 2016Environmental applications of inorganic-organic clays for recalcitrant organic pollutants removal: Bisphenol Acitations
- 2014Vibrational spectroscopy of the sulphate mineral sturmanite from Kuruman manganese deposits, South Africacitations
- 2014Infrared and raman spectroscopic characterization of the borate mineral vonsenite Fe2/2+ Fe3+BO5citations
- 2014A vibrational spectroscopic study of the phosphate mineral churchite (REE)(PO4).2H2Ocitations
- 2013Vibrational spectroscopic characterization of the phosphate mineral kulanite Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3citations
- 2013Vibrational spectroscopic characterization of the phosphate mineral series eosphorite-childrenite-(Mn,Fe)Al(PO4)(OH)2.(H2O)citations
- 2013The phosphate mineral arrojadite-(KFe) and its spectroscopic characterizationcitations
- 2013Vibrational spectroscopic characterization of the phosphate mineral phosphophyllite - Zn2Fe(PO4)2.4H2O, from Hagendorf Sud, Germany and in comparison with other zinc phosphatescitations
- 2012Thermal analysis and application of organoclays for water purification
- 2012Raman and infrared spectroscopic characterization of beryllonite, a sodium and beryllium phosphate mineral - implications for mineral collectorscitations
- 2011Characterisation of organoclays and adsorption of p-nitrophenol: Environmental applicationcitations
- 2011Synthesis and vibrational spectroscopy of halotrichite and bilinitecitations
- 2009Thermal decomposition of hydrotalcites with variable cationic ratioscitations
- 2008Thermal decomposition of synthesized layered double hydroxides based upon Mg/(Fe,Cr) and carbonatecitations
- 2008Thermal decomposition of hydrotalcite with molybdate and vanadate anions in the interlayercitations
- 2008Characterisation of red mud and seawater neutralised red mud using vibrational spectroscopic techniques
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article
Vibrational spectroscopic characterization of the phosphate mineral kulanite Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3
Abstract
The mineral kulanite BaFe2Al2(PO4)3(OH)3, a barium iron aluminum phosphate, has been studied by using a combination of electron microscopy and vibrational spectroscopy. Scanning electron microscopy with EDX shows the mineral is homogenous with no other phases present. The Raman spectrum is dominated by an intense band at 1022 cm−1 assigned to the PO43-ν1 symmetric stretching mode. Low intensity Raman bands at 1076, 1110, 1146, 1182 cm−1 are attributed to the PO43-ν3 antisymmetric stretching vibrations. The infrared spectrum shows a complex spectral profile with overlapping bands. Multiple phosphate bending vibrations supports the concept of a reduction in symmetry of the phosphate anion. Raman spectrum at 3211, 3513 and 3533 cm−1 are assigned to the stretching vibrations of the OH units. Vibrational spectroscopy enables aspects on the molecular structure of kulanite to be assessed.