Table 3 - uploaded by Yifat Miller
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1. Estimated relative concentrations of nitric acid-water complexes compared to nitrate ions on the surface during a typical NO 2 heterogeneous hydrolysis experiment, and
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Context 1
... in the relative intensities of the peaks due to NO 3 -and the nitric acid complexes can be used to obtain some insights into the shifts between the various hydrates and ions on pumping. Table 3.1 summarizes the peak positions and assignments and the experimentally measured integrated band intensities for these species in a typical experiment. These were obtained from the ratio of (absorbance/theoretical intensity) for each peak to that for the (1316 + 1409 cm -1 ) peaks that were attributed to the nitrate ion-water complex. ...
Context 2
... data in Table 3.1 can be used also to calculate the ratio of the concentration of the nitrate ions using the bands at 1316 and 1409 cm -1 to the undissociated nitric acid complexes with the water and with a second HNO 3 . This gives a ratio of nitrate ions to the complexes 1.3:1 during the hydrolysis at 50 % relative humidity, where there is an effective two layers of water on the surface initially. ...
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