Properties of amorphous calcium carbonate and the template action of vaterite spheres

Article Abstract:

Ex-situ methods like scanning electron microscopy, X-ray diffraction were used to understand and characterize the formation-transformation processs of amorphous calcium carbonate (ACC) and vaterite into calcite. An aqueous system without organic additives was used which showed that ACC sampled at different conditions has different multidimensional properties and is also polycrystalline in nature.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Calcium Carbonate, Analysis, X-rays, X-ray diffraction, Amorphous substances, Amorphous materials, Structure, Chemical properties

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An investigation into the crystallization of ALPHA-ALPHA-trehalose from the amorphous state

Article Abstract:

The study on the thermal behavior of amorphous ALPHA-ALPHA-trehalose is highly dependent on the conditions used to perform thermal analysis experiments. The material may be recrystallize into a wide range of forms based on the dihydrate, the anhydrate or combination of both.

Science & research, Research, Chemistry, Physical and theoretical, Physical chemistry, Crystallization, Thermal analysis

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