ENERGETICS OF STABLE AND METASTABLE LOW-TEMPERATURE IRON OXIDES AND OXYHYDROXIDES - THERMODYNAMIC DATA FOR THE EQUILIBRIA FE-FEO, FE-FE3O4, FEO-FE3O4, FE3O4-FE2O3, CU-CU2O, AND CU2O-CUO FROM EMF MEASUREMENTS

dc.contributor.author	Laberty C.
dc.contributor.author	Navrotsky A.
dc.date.accessioned	2020-12-30T02:36:38Z
dc.date.available	2020-12-30T02:36:38Z
dc.date.issued	1998
dc.identifier	https://elibrary.ru/item.asp?id=107251
dc.identifier.citation	Geochimica et Cosmochimica Acta, 1998, , 17, 2905-2913
dc.identifier.issn	0016-7037
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/21706
dc.description.abstract	The energetics of a set of synthetic iron oxides and oxyhydroxides were determined by transposed temperature drop calorimetry and high temperature solution calorimetry using sodium molybdate as a solvent at 979 K. The experiments allow the calculation of the enthalpy of formation from the elements of γ-Fe2O3 with tetragonal symmetry (812.7 +/- 2.6 kJ/mol) and with cubic symmetry (-812.3 +/- 2.5 kJ/mol) and β-FeOOH (557.6 +/- 2.4 kJ/mol), values currently unavailable in the literature. Maghemite, γ-Fe2O3, is 15.3 +/- 0.9 kJ/mol less stable in enthalpy than hematite, α-Fe2O3.
dc.title	ENERGETICS OF STABLE AND METASTABLE LOW-TEMPERATURE IRON OXIDES AND OXYHYDROXIDES - THERMODYNAMIC DATA FOR THE EQUILIBRIA FE-FEO, FE-FE3O4, FEO-FE3O4, FE3O4-FE2O3, CU-CU2O, AND CU2O-CUO FROM EMF MEASUREMENTS
dc.type	Статья

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