methyl peroxide (CH3OOH) absorption spectrum (1 bar, 298 K) IUPAC 2005 Recommendation http://www.iupac-kinetic.ch.cam.ac.uk G. L. Vaghjiani and A. R. Ravishankara, J. Geophys. Res. 94, 3487 (1989) Quantum yield G. L. Vaghjiani and A. R. Ravishankara, J. Chem. Phys. 92, 996 (1990) phi (CH3O + OH) = unity at wavelengths > 290 nm wavelength (nm) sigma (10-20 cm2) 210 31.2 215 20.9 220 15.4 225 12.2 230 9.62 235 7.61 240 6.05 245 4.88 250 3.98 255 3.23 260 2.56 265 2.11 270 1.7 275 1.39 280 1.09 285 0.863 290 0.691 295 0.551 300 0.413 305 0.313 310 0.239 315 0.182 320 0.137 325 0.105 330 0.079 335 0.061 340 0.047 345 0.035 350 0.027 355 0.021 360 0.016 365 0.012