CRYSTAL-GROWTH IN GELS AT ELEVATED PRESSURES - THE UPPER LIMIT OF TEMPERATURE FOR METASTABLE FORMATION OF ARAGONITE

被引：6
作者：
FRANKE, WA
MEHRAN, NA
机构：
[1] Institut für Mineralogie, Freie Universität Berlin, Berlin, W-1000
来源：
CRYSTAL RESEARCH AND TECHNOLOGY | 1992年 / 27卷 / 03期
关键词：
D O I：
10.1002/crat.2170270302
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Both rapid precipitation and diffusion controlled gel growth were applied to crystallize calcium carbonate at temperatures in the range of 100-degrees-C to 270-degrees-C. The amount of aragonite was determined by means of X-ray diffraction data. The morphology of the aragonite crystals are described. Metastable formation of aragonite was observed only at temperatures below 270-degrees-C.
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页码：295 / 299
页数：5
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