In situ probing calcium carbonate formation by combining fast controlled precipitation method and small-angle X-ray scattering

The initial stage of calcium carbonate nucleation and growth, found usually in "natural" precipitation conditions, is still not well understood. The calcium carbonate formation for moderate supersaturation level could be achieved by an original method called the fast controlled precipitati...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 30(2014), 12 vom: 01. Apr., Seite 3303-9
1. Verfasser: Chao, Yanjia (VerfasserIn)
Weitere Verfasser: Horner, Olivier, Vallée, Philippe, Meneau, Florian, Alos-Ramos, Olga, Hui, Franck, Turmine, Mireille, Perrot, Hubert, Lédion, Jean
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Calcium Carbonate H0G9379FGK
Beschreibung
Zusammenfassung:The initial stage of calcium carbonate nucleation and growth, found usually in "natural" precipitation conditions, is still not well understood. The calcium carbonate formation for moderate supersaturation level could be achieved by an original method called the fast controlled precipitation (FCP) method. FCP was coupled with SAXS (small-angle X-ray scattering) measurements to get insight into the nucleation and growth mechanisms of calcium carbonate particles in Ca(HCO3)2 aqueous solutions. Two size distributions of particles were observed. The particle size evolutions of these two distributions were obtained by analyzing the SAXS data. A nice agreement was obtained between the total volume fractions of CaCO3 obtained by SAXS analysis and by pH-resistivity curve modeling (from FCP tests)
Beschreibung:Date Completed 25.11.2014
Date Revised 01.04.2014
published: Print-Electronic
Citation Status MEDLINE
ISSN:1520-5827
DOI:10.1021/la500202g