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Mossbauer Spectroscopy and X-Ray Diffraction of Oxide Precipitates Formed from FeSO4 Solution. Part II

S. Musić ; Rudjer Bošković Institute, P. O. Box 1016, 41001 Zagreb, Yugoslavia
S. Popović ; Rudjer Bošković Institute, P. O. Box 1016, 41001 Zagreb, Yugoslavia
M. Gotić ; Rudjer Bošković Institute, P. O. Box 1016, 41001 Zagreb, Yugoslavia

Puni tekst: engleski, pdf (7 MB) str. 661-675 preuzimanja: 220* citiraj
APA 6th Edition
Musić, S., Popović, S. i Gotić, M. (1987). Mossbauer Spectroscopy and X-Ray Diffraction of Oxide Precipitates Formed from FeSO4 Solution. Part II. Croatica Chemica Acta, 60 (4), 661-675. Preuzeto s https://hrcak.srce.hr/176393
MLA 8th Edition
Musić, S., et al. "Mossbauer Spectroscopy and X-Ray Diffraction of Oxide Precipitates Formed from FeSO4 Solution. Part II." Croatica Chemica Acta, vol. 60, br. 4, 1987, str. 661-675. https://hrcak.srce.hr/176393. Citirano 08.03.2021.
Chicago 17th Edition
Musić, S., S. Popović i M. Gotić. "Mossbauer Spectroscopy and X-Ray Diffraction of Oxide Precipitates Formed from FeSO4 Solution. Part II." Croatica Chemica Acta 60, br. 4 (1987): 661-675. https://hrcak.srce.hr/176393
Harvard
Musić, S., Popović, S., i Gotić, M. (1987). 'Mossbauer Spectroscopy and X-Ray Diffraction of Oxide Precipitates Formed from FeSO4 Solution. Part II', Croatica Chemica Acta, 60(4), str. 661-675. Preuzeto s: https://hrcak.srce.hr/176393 (Datum pristupa: 08.03.2021.)
Vancouver
Musić S, Popović S, Gotić M. Mossbauer Spectroscopy and X-Ray Diffraction of Oxide Precipitates Formed from FeSO4 Solution. Part II. Croatica Chemica Acta [Internet]. 1987 [pristupljeno 08.03.2021.];60(4):661-675. Dostupno na: https://hrcak.srce.hr/176393
IEEE
S. Musić, S. Popović i M. Gotić, "Mossbauer Spectroscopy and X-Ray Diffraction of Oxide Precipitates Formed from FeSO4 Solution. Part II", Croatica Chemica Acta, vol.60, br. 4, str. 661-675, 1987. [Online]. Dostupno na: https://hrcak.srce.hr/176393. [Citirano: 08.03.2021.]

Sažetak
The chemical and structural properties of Fe-oxides formed
from FeS04 solutions are strongly dependent on the [Fe2+]/[OH-]
concentration ratio at the beginning of the precipitation process,·
on the rate of oxygenation, the time of precipitation, the temperature,
and the kind of alkali (NH40H or NaOH). Goethite (a-FeOOH) of varyingcrystallinity and/er substoichiometric magnetite (Fe3-' 04) were precipitated at 90 -c. Differences in the crystallinity of a-FeOOH were revealed by Mossbauer spectroscopy, as well as by X-ray diffraction. The stoichiometry of Fe3_x04 varied from Fe2.9104 to the one close to Fe2.6704. The X-ray diffraction showed only the presence of Fe3-x04, but not of maghemite (y-Fe203). The formation of hematite (a-Fe203), under specific experimental conditions, was also observed. Amorphous iron(III) hydroxyde precipitated at room temperature. The mechanism of precipitation of Fe-oxides from FeS04 solution is discussed.

Hrčak ID: 176393

URI
https://hrcak.srce.hr/176393

Posjeta: 314 *