Structure and some physical properties of K2Ni(SO4)2•6H2O crystals

被引：12
|
作者：
Pietrashko, A
Perekalina, ZB
Soboleva, LV
Kirpichnikova, LF
机构：
[1] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland
[2] Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 117333, Russia
来源：
CRYSTALLOGRAPHY REPORTS | 2000年 / 45卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
Crystal Structure; Phase Diagram; Absorption Spectrum; Differential Scanning Calorimetry; Structural Change;
D O I：
10.1134/1.171221
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The data obtained from the analysis of the solubility phase diagrams have been used in growth of K2Ni(SO4)(2) . 6H(2)O crystals. The X-ray diffraction studies of the crystals grown showed that, at room temperature, the crystals belong to the diffraction class 2/m. The crystal structure is similar to the structures of the Tutton salts. The study of the absorption spectra and the differential scanning calorimetry (DSC) revealed a pronounced anomaly in the vicinity of 45-46 degrees C, which seems to be associated with the structural changes in the crystal. (C) 2000 MAIK "Nauka/Interperiodica".
引用
收藏
页码：479 / 481
页数：3
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