Influence of the iron oxidation state on the nucleation of basalt glass

被引：0
|
作者：
Tosic, MB
Dimitrijevic, RZ
Radosavljevic, SA
Duricic, MA
机构：
[1] Inst Technol Nucl & Other Mineral Raw Mat, YU-11000 Belgrade, Yugoslavia
[2] Univ Belgrade, Fac Mining & Geol, YU-11000 Belgrade, Yugoslavia
来源：
JOURNAL OF THE SERBIAN CHEMICAL SOCIETY | 1998年 / 63卷 / 12期
关键词：
glass; nucleation; iron effects;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The influence of the FeO/(FeO+Fe2O3) ratio on the nucleation of basalt glass was investigated. In the studied glasses, this ratio was 0.69 and 0.995. It was shown that at the ratio of 0.995 nucleation temperature was lower by 5 degrees C, the nucleation rate was lower by 13.4%, the crystallization activation energy was higher by 94 kJ/mol and the nucleation curve was narrower. Heterogeneous nucleation occurs in the investigated glasses. The same crystalline phase, monoclinic pyroxene-augite (Ca, Mg, Fe, Al)(Si,Al)(2)O-6 was developed during the controlled crystallization of glasses A and B.
引用
收藏
页码：1019 / 1030
页数：12
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