SEM, EDX and vibrational spectroscopic study of the carbonate mineral donnayite-(Y) NaCaSr3Y(CO3)6·3H2O

被引：0

作者：

Ray L. Frost

Andrés López

Ricardo Scholz

Bárbara Firmino

机构：

[1] Queensland University of Technology,School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty

[2] Federal University of Ouro Preto,Geology Department, School of Mines

来源：

Carbonates and Evaporites | 2016年 / 31卷

关键词：

Donnayite-(Y); Carbonate; Hydroxyl; Infrared and Raman spectroscopy;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The mineral donnayite-(Y) has been studied by scanning electron microscopy with chemical analysis using EDX and vibrational spectroscopy. Multiple carbonate stretching modes are observed and support the concept of non-equivalent carbonate units in the donnayite-(Y) structure. Intense sharp bands at 464, 479 and 508 cm−1 are assigned to YO stretching modes. Raman bands at 765 and 775 cm−1 are assigned to the CO32−ν4 bending modes and Raman bands at 589, 611, 674 and 689 cm−1 are assigned to the CO32−ν2 bending modes. Multiple Raman and infrared bands in the OH stretching region are observed, proving the existence of water in different molecular environments in the structure of donnayite-(Y).

引用

页码：1 / 8

页数：7

共 35 条

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