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Pregled bibliografske jedinice broj: 687143

Characterization of the sulphate mineral coquimbite, a secondary iron sulphate from Javier Ortega mine, Lucanas Province, Peru - Using infrared, Raman spectroscopy and thermogravimetry

Frost, Ray L.; Žigovečki Gobac, Željka; López, Andrés; Xi, Yunfei; Scholz, Ricardo; Lana, Cristiano; Fernandes Lima, Rosa Malena
Characterization of the sulphate mineral coquimbite, a secondary iron sulphate from Javier Ortega mine, Lucanas Province, Peru - Using infrared, Raman spectroscopy and thermogravimetry // Journal of molecular structure, 1063 (2014), 251-258 doi:10.1016/j.molstruc.2014.01.086 (međunarodna recenzija, članak, znanstveni)

CROSBI ID: 687143 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Characterization of the sulphate mineral coquimbite, a secondary iron sulphate from Javier Ortega mine, Lucanas Province, Peru - Using infrared, Raman spectroscopy and thermogravimetry

Autori
Frost, Ray L. ; Žigovečki Gobac, Željka ; López, Andrés ; Xi, Yunfei ; Scholz, Ricardo ; Lana, Cristiano ; Fernandes Lima, Rosa Malena

Izvornik
Journal of molecular structure (0022-2860) 1063 (2014); 251-258

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
coquimbite; Raman spectroscopy; sulphate; infrared spectroscopy

Sažetak
The mineral coquimbite has been analysed using a range of techniques including SEM with EDX, thermal analytical techniques and Raman and infrared spectroscopy. The mineral originated from from the Javier Ortega mine, Lucanas Province, Peru. The chemical formula was determined as (Fe1.37 3+, Al0.63)∑2.00(SO4)3·9H2O. Thermal analysis showed a total mass loss of ∼73.4% on heating to 1000°C. A mass loss of 30.43% at 641.4°C is attributed to the loss of SO3. Observed Raman and infrared bands were assigned to the stretching and bending vibrations of sulphate tetrahedra, aluminium oxide/hydroxide octahedra, water molecules and hydroxyl ions. The Raman spectrum shows well resolved bands at 2994, 3176, 3327, 3422 and 3580 cm-1 attributed to water stretching vibrations. Vibrational spectroscopy combined with thermal analysis provides insight into the structure of coquimbite.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA

Projekti:
119-0000000-1158 - Međudjelovanje minerala i okoliša (Bermanec, Vladimir, MZOS ) ( CroRIS)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Željka Žigovečki Gobac (autor)

Poveznice na cjeloviti tekst rada:

doi dx.doi.org www.sciencedirect.com

Citiraj ovu publikaciju:

Frost, Ray L.; Žigovečki Gobac, Željka; López, Andrés; Xi, Yunfei; Scholz, Ricardo; Lana, Cristiano; Fernandes Lima, Rosa Malena
Characterization of the sulphate mineral coquimbite, a secondary iron sulphate from Javier Ortega mine, Lucanas Province, Peru - Using infrared, Raman spectroscopy and thermogravimetry // Journal of molecular structure, 1063 (2014), 251-258 doi:10.1016/j.molstruc.2014.01.086 (međunarodna recenzija, članak, znanstveni)
Frost, R., Žigovečki Gobac, Ž., López, A., Xi, Y., Scholz, R., Lana, C. & Fernandes Lima, R. (2014) Characterization of the sulphate mineral coquimbite, a secondary iron sulphate from Javier Ortega mine, Lucanas Province, Peru - Using infrared, Raman spectroscopy and thermogravimetry. Journal of molecular structure, 1063, 251-258 doi:10.1016/j.molstruc.2014.01.086.
@article{article, author = {Frost, Ray L. and \v{Z}igove\v{c}ki Gobac, \v{Z}eljka and L\'{o}pez, Andr\'{e}s and Xi, Yunfei and Scholz, Ricardo and Lana, Cristiano and Fernandes Lima, Rosa Malena}, year = {2014}, pages = {251-258}, DOI = {10.1016/j.molstruc.2014.01.086}, keywords = {coquimbite, Raman spectroscopy, sulphate, infrared spectroscopy}, journal = {Journal of molecular structure}, doi = {10.1016/j.molstruc.2014.01.086}, volume = {1063}, issn = {0022-2860}, title = {Characterization of the sulphate mineral coquimbite, a secondary iron sulphate from Javier Ortega mine, Lucanas Province, Peru - Using infrared, Raman spectroscopy and thermogravimetry}, keyword = {coquimbite, Raman spectroscopy, sulphate, infrared spectroscopy} }
@article{article, author = {Frost, Ray L. and \v{Z}igove\v{c}ki Gobac, \v{Z}eljka and L\'{o}pez, Andr\'{e}s and Xi, Yunfei and Scholz, Ricardo and Lana, Cristiano and Fernandes Lima, Rosa Malena}, year = {2014}, pages = {251-258}, DOI = {10.1016/j.molstruc.2014.01.086}, keywords = {coquimbite, Raman spectroscopy, sulphate, infrared spectroscopy}, journal = {Journal of molecular structure}, doi = {10.1016/j.molstruc.2014.01.086}, volume = {1063}, issn = {0022-2860}, title = {Characterization of the sulphate mineral coquimbite, a secondary iron sulphate from Javier Ortega mine, Lucanas Province, Peru - Using infrared, Raman spectroscopy and thermogravimetry}, keyword = {coquimbite, Raman spectroscopy, sulphate, infrared spectroscopy} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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