HYPERFINE AND X-RAY STUDIES OF COAL AND COAL ASH

被引:4
|
作者
TANEJA, SP
AGGARWALL, MP
BRAR, AS
机构
[1] INDIAN INST TECHNOL,DEPT PHYS,NEW DELHI 110029,INDIA
[2] INDIAN INST TECHNOL,DEPT CHEM,NEW DELHI 110029,INDIA
关键词
D O I
10.1016/0168-583X(93)95193-9
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
X-ray diffraction and Fe-57 Mossbauer hyperfine studies have been made to characterize the iron-bearing minerals present in some of the Indian coals. The minerals observed in a range of samples by Mossbauer study include siderite (FeCO3) and Fe3+, Fe2+-bearing silicate clay minerals such as illite. X-ray analysis also showed the diffraction lines of siderite and illite along with non-iron phases like quartz and calcium oxide. The effects of ashing (at 750-degrees-C) were also studied by Mossbauer spectroscopy.
引用
收藏
页码:236 / 238
页数:3
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