Anhydrous nitric acid integrated absorption cross sections: 820–5300 cm−1
作者： Charles Chackerian , Steven W. Sharpe , Thomas A. Blake
DOI: 10.1016/S0022-4073(03)00168-7
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摘要: Abstract Fourier transform infrared absorbance measurements of small aliquots anhydrous nitric acid were used to determine regional, integrated cross sections at 278.2, 298.22 and 323.15 K . Spectra recorded with pressure broadened samples (1 atmosphere nitrogen), in a 20 cm path length cell spectral resolution 0.112 −1 Spectral regions measured include the vibrational bands: ν 1 (∼3552 ) , 2 (∼1710 ν3, 4 (∼1320 ν5, 2ν 9 (∼890 weaker absorption between 820 5300 We observe expected changes distribution rovibrational intensities temperature, but accuracy our measurements, cross-sections over entire bands are independent temperature.
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