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OH is the prime daytime oxidant

OH is the prime daytime oxidant. Penn State. v’=1. FAGE analysis from Crosley, but same problem with the Davis experiments – 282nm excitation and 282nm measurement  uv light  OH. Cal must be performed in a flowing system into the nozzle of the instrument

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OH is the prime daytime oxidant

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  1. OH is the prime daytime oxidant

  2. Penn State

  3. v’=1

  4. FAGE analysis from Crosley, but same problem with the Davis experiments – 282nm excitation and 282nm measurement  uv light  OH

  5. Cal must be performed in a flowing system into the nozzle of the instrument • – speed inside the nozzle to get the pressure reduced to 4 mb is about • 120 m/s = 250 mph

  6. if you are interested in all the FAGE problems, read David Crosley’s paper on OH measurements – sent to you as a pdf file along with Bill Brune’s paper

  7. calibration is very difficult need water concentration, flux of light dissociating water, xsec of H2O, performed in a flowing system into a nozzle at speeds up to 120 m/s to get pressure to 4mB

  8. Solutions:

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