242
K. M. G. Mostofa et al.
Table 5 The quantum yield of HO
• (Φ
HO ) of nitrate photolysis as a function of pH and temperature (T)
T (K)
pH
4
5
6
7
8
9
10
11
For wavelength
308 nm
278
0.008
± 0.001
0.007
± 0.001 0.008
± 0.001 0.007
± 0.001 0.008
± 0.001 0.007
± 0.001 0.007
± 0.001 0.004
± 0.001
298
0.016
± 0.001
0.017
± 0.001 0.017
± 0.001 0.016
± 0.001 0.017
± 0.001 0.016
± 0.001 0.014
± 0.001 0.009
± 0.001
318
0.028
± 0.002
0.026
± 0.003 0.027
± 0.002 0.028
± 0.001 0.027
± 0.002 0.024
± 0.002 0.015
± 0.002 0.011
± 0.001
353
0.038
± 0.004
0.034
± 0.003 0.036
± 0.004 0.035
± 0.002 0.036
± 0.003 0.030
± 0.005 0.017
± 0.003 0.012
± 0.001
Data source
(Zellner et al. 1990)