Formaldehyde Photolysis Cross Sections (T dependent) IUPAC 2003 Recommendation http://www.iupac-kinetic.ch.cam.ac.uk Taken from: Meller and Moortgat JGR, 105, D6, 7089, 2000 SIG(LAM,T) = SIG(LAM,298K) + C*(T-298K) LAM (nm) SIG (298K, 10^-21 cm^2) C (10^-24 cm2 K-1) 226 0.179 0 227 0.169 0 228 0.177 0 229 0.19 0 230 0.205 0 231 0.33 0 232 0.335 0 233 0.262 0 234 0.325 0 235 0.363 0 236 0.539 0 237 0.771 0 238 0.569 0 239 0.682 0 240 0.782 0 241 0.775 0 242 1.23 0 243 1.59 0 244 1.09 0 245 1.31 0 246 1.63 0 247 1.51 0 248 2.34 0 249 3.18 0 250 2.57 0.203 251 2.04 0.177 252 3.37 20.072 253 2.89 0.101 254 3.42 0.137 255 4.5 0.272 256 6.29 0.169 257 4.43 0.88 258 3.07 0.681 259 6.18 0.084 260 6.04 0.447 261 6.6 0.093 262 6.02 0.635 263 10.8 20.813 264 9.47 0.58 265 5.3 1.004 266 5.38 0.431 267 13.6 20.88 268 12.4 20.12 269 9.9 1.116 270 9.6 0.748 271 19.4 21.307 272 14.3 1 273 8.1 1.228 274 6.57 0.871 275 21.5 22.733 276 25.9 22.04 277 15.7 1.933 278 10.3 1.427 279 24.5 22.547 280 23.4 20.68 281 15.6 0.56 282 9.72 0.809 283 7.2 0.005 284 42.7 28.72 285 40.5 21.8 286 20.9 1.587 287 11.5 0.76 288 31.7 24.707 289 32.2 21.213 290 11.7 1.707 291 18.4 21.16 292 7.96 1.155 293 31.1 24.907 294 71.5 210.213 295 40.6 3.827 296 24.8 2.12 297 13.6 1.387 298 42.2 24.933 299 31.7 1.48 300 9.63 4.267 301 16.3 22.573 302 8.52 22.325 303 30.2 23.6 304 72.3 24.827 305 47.4 4.173 306 42.9 0.32 307 17.8 3.187 308 13.8 0.333 309 32.6 23.867 310 17.4 2.36 311 4.61 0.075 312 11.9 21.227 313 9.02 21.439 314 56.5 0.72 315 55.6 2.587 316 25.4 4.76 317 57.9 22.467 318 31.5 3.307 319 9.75 2.532 320 11.9 0.24 321 16 22.187 322 7.21 0.149 323 3.27 0.389 324 8.61 20.456 325 15.4 2.213 326 68.7 25.64 327 43.7 5.44 328 12.2 5.067 329 31.2 23.347 330 38.6 22.173 331 14.1 3.907 332 3.46 1.792 333 2.14 0.429 334 1.59 20.228 335 0.966 20.005 336 1.26 0.325 337 3.83 0.329 338 19.2 1.6 339 55 26.587 340 31.5 5.52 341 9.78 5.863 342 5.04 1.216 343 19.2 22.987 344 12.7 0.187 345 4.36 2.765 346 1.19 0.541 347 0.441 20.281 348 0.757 20.664 349 0.378 20.56 350 0.36 20.728 351 0.894 20.121 352 7.31 0.368 353 22.8 25.32 354 16.5 0.6 355 6.96 2.456 356 1.48 20.388 357 0.344 0 358 0.186 0 359 0.111 0 360 0.087 0 361 0.1 0 362 0.211 0 363 0.141 0 364 0.094 0 365 0.088 0 366 0.085 0 367 0.091 0 368 0.143 0 369 0.297 0 370 0.636 0 371 0.572 0 372 0.197 0 373 0.113 0 374 0.091 0 375 0.087 0