アルミノケイ酸ナトリウムの結晶化における原料混合液の濃度の影響(第 2 報)
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概要
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Examination were made on the conditions for crystallization of sodium aluminosilicate. At the temperature of 80°, with A-type zeolite, rate of crystallization was faster, the higher the concentration of the starting mixture, and crystallization was effected in 30 minutes with a concentration of 0.5mole/L. Degree of crystallization was found to be unaffected by the concentration of the starting mixture. On the other hand, with the X-type zeolite, rate of crystallization was faster with higher concentration of the starting mixture but the degree of crystallization decrease with concentrations above 0.25mole/L. A concentration of about 0.2mole/L. was therefore found to give zeolite with the best degree of crystallization. Evaluation of the degree of crystallization by X-ray powder diffraction showed that there is a good correlation in the crystallization degree between that obtained from the height of the diffraction peak and that obtained from the peak area.
- 共立薬科大学の論文
- 1967-05-20
共立薬科大学 | 論文
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