Infrared spectroscopic investigation of the heterogeneous reaction of HNO3 and NaCl(100)

被引：25

作者：

Sporleder, D ^{[1
]}

Ewing, GE ^{[1
]}

机构：

[1] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY A | 2001年 / 105卷 / 10期

关键词：

D O I：

10.1021/jp0034729

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have monitored the reaction of HNO3 with the NaCl(100) faces of single crystals in the presence of minute water concentrations. The reaction produces NaNO3 crystallites or ribbons atop the NaCl(100) face, indicating that a surface reorganization occurs upon exposure to water vapor concentrations as low as 0.02 mbar. The crystalline nature of the NaNO3 is established by the well-defined longitudinal-transverse (LOTO) splitting of the NO3- stretching vibrations. After an average coverage of 10 to 30 layers of crystalline NaNO3, the reaction becomes diffusion limited, but shows no signs of stopping.

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页码：1838 / 1846

页数：9

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