X-ray diffraction data for two new calcium uranium (VI) hydrates

被引：6
|
作者：
Skakle, JMS
Moroni, LP
Glasser, FP
机构：
[1] Department of Chemistry, University of Aberdeen, Aberdeen AB9 2UE, Meston Walk
来源：
POWDER DIFFRACTION | 1997年 / 12卷 / 02期
关键词：
uranium; X-ray diffraction; powder pattern; becquerelite;
D O I：
10.1017/S0885715600009477
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The X-ray powder diffraction patterns for two new synthetic calcium uranium (VI) silicate hydrate phases are reported. Ca1.5U6(OH)(7)O-16. 7H(2)O is orthorhombic, space group P*a*, with unit cell a = 13.8949(14), b = 12.0776(12), c = 15.228(3) Angstrom. The structure appears to be related to that of becquerelite. Ca-2(UO2)(2)(Si2O5)(3) . 10H(2)O was also indexed on an orthorhombic unit cell, a = 12.075(3), b = 15.406(6), c = 26.043(6) Angstrom. The Powder Diffraction File coverage of uranium-containing minerals which could, on the basis of their chemical formula, form in U-containing cements is also reviewed. (C) 1997 International Centre for Diffraction Data.
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收藏
页码：81 / 86
页数：6
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