Systhesis of Disk-Like Calcium Carbonate (Part 1) Effect of Various Organic Compounds on the Carbonation of the Basic Calcium Carbonate

Hisao SUGIHARA; Ken-ichiro ONO; Kentaro ADACHI; Yukako SETOGUCHI; Tatsumi ISHIHARA; Yusaku TAKITA

doi:10.2109/jcersj.104.832

Systhesis of Disk-Like Calcium Carbonate (Part 1)

Effect of Various Organic Compounds on the Carbonation of the Basic Calcium Carbonate

Hisao SUGIHARA, Ken-ichiro ONO, Kentaro ADACHI, Yukako SETOGUCHI, Tatsumi ISHIHARA, Yusaku TAKITA

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Keywords: Precipitated calcium carbonate, Basic calcium carbonate, Disk-like calcium carbonate, Ethylenediamine, Diethylenetriamine, Vaterite, Regulation of morphology

JOURNAL FREE ACCESS

1996 Volume 104 Issue 1213 Pages 832-836

DOI https://doi.org/10.2109/jcersj.104.832

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Abstract

The addition of amines such as ethylenediamine, diethylenetriamine and meramine in the course of carbonation of basic calcium carbonate promoted the formation of a disk-like calcium carbonate which is vaterite and 1-1.5μm in diameter and 0.1-0.2μm in thickness. On the other hand, dicarboxylic acids, carboxylic chelate compounds, and amino acids promoted the formation of cubic or spindle-like calcite. Diethylenetriamine which was adsorbed on the surface of calcium carbonate plays an important role in the formation of disk-like calcium carbonate.

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