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- Title
Effect of Alginate from Chilean Lessonia nigrescens and MWCNTs on CaCO<sub>3</sub> Crystallization by Classical and Non-Classical Methods.
- Authors
Sánchez, Marianela; Vásquez-Quitral, Patricio; Butto, Nicole; Díaz-Soler, Felipe; Yazdani-Pedram, Mehrdad; Silva, Juan Francisco; Neira-Carrillo, Andrónico
- Abstract
In our crystallization experiments, the influence of alginate from Chilean Lessonia nigrescens and functionalized multi-walled carbon nanotubes (MWCNTs) was tested through electrocrystallization (EC) and gas diffusion (GD) methods on the crystal growth of calcium carbonate (CaCO3) and their possible stabilization of proto-structures in amorphous CaCO3 (ACC) state through pre-nucleation clusters (PNC) essays with automatic potentiometric titrations were performed. CaCO3 crystals obtained in the in vitro above-mentioned crystallization systems were characterized by scanning electron microscope (SEM), energy-dispersive X-ray spectrometry (EDS) and powder X-ray diffractometer (XRD). Our experimental findings showed that ALG and functionalized MWCNTs stabilized truncated and agglomerated vaterite-like particles through GD and EC methods. While, on the other hand, we obtained qualitative information about induction or inhibition of CaCO3 nucleation that was provided by potentiometric titrations.
- Subjects
MULTIWALLED carbon nanotube synthesis; ALGINIC acid; CRYSTALLIZATION
- Publication
Crystals (2073-4352), 2018, Vol 8, Issue 2, p69
- ISSN
2073-4352
- Publication type
Article
- DOI
10.3390/cryst8020069