Related Experiment Video
Updated: Aug 13, 2026
Preparation of Silica Nanoparticles Through Microwave-assisted Acid-catalysis
Published on: December 16, 2013
Synthesis of micrometer to nanometer CaCO3 particles via mass restriction method in an emulsion liquid membrane
1School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 500 10th Street, NW, Atlanta, GA 30332-0620, USA.
Abstract:
A mass restriction principle has been applied for the synthesis of precipitated calcium carbonate (PCC) with particle sizes from nanometer to micrometer via a simple emulsion liquid membrane (ELM) process. The internal liquid droplets in ELM were designed as individual microreactors in which the concentration and the total mass of the reaction chemicals were carefully mediated. Instrumental analysis, such as Fourier transform infrared (FTIR), wide X-ray diffraction (WXRD), scanning electron microscopy (SEM), and energy dispersive X-ray (EDX) analysis, confirmed a predominant calcite form of the final product via this process. The comparison of calculated particle sizes with that obtained from experimental measurements using dynamic light scattering (DLS), transmission electron microscopy (TEM) and SEM analysis suggested that approximately one PCC particle was formed in one water-in-oil (w/o) droplet.
More Related Videos
09:47Facile Preparation of Internally Self-assembled Lipid Particles Stabilized by Carbon Nanotubes
Published on: February 19, 2016
06:16Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control
Published on: February 11, 2018