INFRARED-SPECTRUM OF CARBON-DIOXIDE IN AQUEOUS-SOLUTION

被引:126
作者
FALK, M [1 ]
MILLER, AG [1 ]
机构
[1] ST FRANCIS XAVIER UNIV,DEPT BIOL,ANTIGONISH B2G 1C0,NS,CANADA
关键词
INFRARED SPECTROMETRY; AQUEOUS MEDIA; CARBON DIOXIDE;
D O I
10.1016/0924-2031(92)87018-B
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
We have studied the infrared absorption band due to the antisymmetric stretching fundamental, nu3, of carbon dioxide in water at 2342.9 cm-1 for (CO2)-C-12 and 2277.7 cm-1 for (CO2-C-13), from the point of view of structural and analytical chemistry. The position of this band is shifted by only 6 cm-1 from the vapour value, indicating the absence of hydrogen bonding between water molecules and the dissolved carbon dioxide. The nu3 band has good analytical potential and may be used for the determination of carbon dioxide in water. We have also examined the analytical use of the infrared bands of aqueous carbonate and bicarbonate ions.
引用
收藏
页码:105 / 108
页数:4
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