Thermal transformations of vaterite and calcite

Autor:	Armin Reller, Marek Maciejewski, H.R. Oswald
Rok vydání:	1994
Předmět:	Calcite Morphology (linguistics) Thermal decomposition Inorganic chemistry Condensed Matter Physics Decomposition chemistry.chemical_compound chemistry Chemical engineering Vaterite Thermal Physical and Theoretical Chemistry Calcium oxide Instrumentation
Zdroj:	Thermochimica Acta. 234:315-328
ISSN:	0040-6031
DOI:	10.1016/0040-6031(94)85155-7
Popis:	The polymorphic transition and the thermal decomposition of vaterite are characterized. The effect of the morphology of the parent vaterite upon the polymorphic transition as well as upon the decomposition of pseudomorphous ex-vaterite, i.e. “spherulitic” calcite, is presented. It is shown for the first time that vaterite can be decomposed into calcium oxide and carbon dioxide before being transformed into calcite. The nature of the evaluated kinetic parameters and derived mechanistic interpretations are discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b9741a09ed06abe41d4cc73b8ee66d2 https://doi.org/10.1016/0040-6031(94)85155-7 Zobrazit plný text záznamu