Preparation of vaterite CaCO3 microspheres by fast precipitation method
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Zhi Gang Wu
Abstract
Here we describe a rapid approach for synthesizing pure vaterite calcium carbonate microspheres through a fast precipitation method. The precipitated CaCO3 microspheres were produced in alkaline aqueous media with the addition of sodium citrate at room temperature. The obtained microspheres were investigated with scanning electron microscopy, dynamic light scattering, fourier transform infrared spectroscopy and powder X-ray diffraction. The characterization results reveal that the obtained microspheres are pure vaterite with an average diameter of 5 μm. The possible reason for the formation of vaterite CaCO3 microspheres instead of calcite has also been discussed.
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© 2017, Carl Hanser Verlag, München
Artikel in diesem Heft
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- The sintering behavior and physical properties of Li2CO3-doped Bi0.5(Na0.8K0.2)0.5TiO3 lead-free ceramics
- The effect of heating rate on the microstructural breakdown required for thixoformability
- Nano-particles in powder injection molding of an aluminum matrix composite: Rheological behavior, production and properties
- Short Communications
- Preparation of vaterite CaCO3 microspheres by fast precipitation method
- Slag corrosion resistance of Al4SiC4
- DGM News
- DGM News
Artikel in diesem Heft
- Contents
- Contents
- Original Contributions
- Effect of grain defects on the mechanical behavior of nickel-based single crystal superalloy
- Evolution of mechanical properties and microstructure of differently cryogenically treated hot die steel AISI–H13
- Microstructure and mechanical properties of nickel particle reinforced magnesium composite: impact of reinforcement introduction method
- Microstructure and mechanical properties of carbon nanotube-reinforced ZK61 magnesium alloy composites prepared by spark plasma sintering
- Solidification microstructures of Cu–Zr–Al–Y BMG produced by casting in a wedge-shaped copper mold
- Energy spectrum analysis of anodic oxidation film surface–interface on 7475 aluminum alloy after salt spray corrosion
- Fabrication of Ni/SiC composite powder by mechanical alloying and its effects on properties of copper matrix composites
- The sintering behavior and physical properties of Li2CO3-doped Bi0.5(Na0.8K0.2)0.5TiO3 lead-free ceramics
- The effect of heating rate on the microstructural breakdown required for thixoformability
- Nano-particles in powder injection molding of an aluminum matrix composite: Rheological behavior, production and properties
- Short Communications
- Preparation of vaterite CaCO3 microspheres by fast precipitation method
- Slag corrosion resistance of Al4SiC4
- DGM News
- DGM News
