Validation of techniques for fast response measurement of HNO3 and NH3 and determination of the [NH3] [HNO3] concentration product
β Scribed by Harrison, Roy M; Msibi, I.M
- Book ID
- 123216446
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 744 KB
- Volume
- 28
- Category
- Article
- ISSN
- 1352-2310
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π SIMILAR VOLUMES
The rate constant of the reaction, OH + NH3 -+ Hz0 + NH2, has been measured at temperatures between 230 and 490'K using time-resolved resonance absorption to observe the concemytion of OH radicals..An Arrhenius expression, kI = 2.3 X lO\_" exp(-1.6 kcai mole-'/RT) cm3 molecule-' set , was obtained.
The mechanism for production of ekctronically excited photofragments from the title molecules is investigated using two excimer lasers in a pump-probe experiment. We find for NH(A) from NH3. N2H4 and CH3NH2; OH(A) from HN03 and CN(B) and CH(A. B) from CH;NH, that secondary excitation of primary phot