SO3 and H3NSO3 signals (NO3
-SO3 and H2NSO3
-HNO3)
as a function of reaction distance and [NH3]. Reactor conditions: V )
288 cm s-1, 393 K, 40.0 Torr of N2. Squares: [NH3] ) 9 × 1013
molecule cm-3
. Circles: [NH3] ) 1.8 × 1014 molecule cm-3
. Solid
lines are fits to the data as described in the text. Fit results are listed
in Table 2