Coprecipitation of Calcium and Barium Carbonates by Carbon Dioxide Gas at 80°C

Keiko YOKOFUJITA; Kazuyoshi TAKIYAMA

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Coprecipitation of Calcium and Barium Carbonates by Carbon Dioxide Gas at 80°C

机译：二氧化碳气体在80°C下共沉淀碳酸钙和碳酸钡

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The coprecipitation of calcium and barium carbonates was investigated as a problem in analytical chemistry. Carbon dioxide gas was introduced into solutions of calcium and barium at 80°C. The particles produced were composed of rod-shaped, spindle-shaped and cubic-shaped crystals. The composition of calcium and barium in the reaction mixture changed with bubbling period of carbon dioxide gas. The shape of particles was dependent on the composition of residual calcium and barium in the reaction mixture. The particles were solid solutions of calcium and barium carbonates, whose crystal structures were a little different from each other.

机译：碳酸钙和碳酸钡的共沉淀是分析化学中的一个问题。在80℃将二氧化碳气体引入钙和钡的溶液中。产生的颗粒由棒状，纺锤状和立方状的晶体组成。反应混合物中钙和钡的组成随二氧化碳气体的鼓泡时间而变化。颗粒的形状取决于反应混合物中残余钙和钡的组成。颗粒是碳酸钙和碳酸钡的固溶体，它们的晶体结构略有不同。

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《Analytical Sciences》 |1985年第4期|共3页
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Keiko YOKOFUJITA; Kazuyoshi TAKIYAMA;
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中图分类分析化学;
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7. Coprecipitation of calcium and barium carbonates by carbon dioxide gas at 80.DEG.C. [O] . Keiko YOKOFUJITA, Kazuyoshi TAKIYAMA 1985

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Coprecipitation of Calcium and Barium Carbonates by Carbon Dioxide Gas at 80°C

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