Structure of water molecules from Raman measurements of cooling different concentrations of NaOH solutions

被引：24
|
作者：
Li, Fabing [1 ]
Li, Zhanlong [1 ]
Wang, Shenghan [1 ]
Li, Shuo [1 ]
Men, Zhiwei [1 ]
Ouyang, Shunli [2 ]
Sun, Chenglin [1 ]
机构：
[1] Jilin Univ, Coll Phys, Coherent Light & Atom & Mol Spect Lab, 2699 Qianjing Dist, Changchun 130012, Peoples R China
[2] Inner Mongolia Univ Sci & Technol, Key Lab Integrated Exploitat Bayan Obo Multimet R, Baotou 014010, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2017年 / 183卷
基金：
中国国家自然科学基金;
关键词：
Raman spectra; Cooling; NaOH solutions; Phase transition; HYDROGEN-BONDS; ICE IH; NEUTRON-DIFFRACTION; AQUEOUS-SOLUTIONS; SPECTRA; TEMPERATURE; RELAXATION; DEPENDENCE; SCATTERING; ANOMALIES;
D O I：
10.1016/j.saa.2017.04.067
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The Raman spectra of different concentrations of NaOH solutions have been successfully obtained at normal pressure by cooling. The results indicate that the icing point and the ice phase transition temperature of NaOH solutions decrease with increasing concentrations. Particularly, the different concentrations (2, 4, 6 or 8 and 12 M) take place the liquid-III-Ih, liquid-V-Ih, liquid-VI-XV and liquid-IX-VI phase transition, respectively. In addition, the three peaks of around 3524, 3580 and 3624 cm -1 appear spectra of the NaOH solutions at low temperature. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：425 / 430
页数：6
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