期刊
CHEMICAL PHYSICS LETTERS
卷 424, 期 4-6, 页码 233-238出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2006.04.026
关键词
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Using the long-path technique of Fourier transform infrared (LP FTIR) spectrometry, the rate coefficients of methyl hydroperoxide (MHP, CH3OOH) reactions with O-3, NO2 and NO at (293 +/- 2) K have been determined. The coefficients are k(MHP+O3) = (7.3 +/- 0.1) x 10(-21), k(MHP+NO2) = (9.6 +/- 1.3) x 10(-21) and k(MHP+NO) < 8.6 x 10(-22) cm(3) molecule(-1) s(-1). Random errors are +/- 2 sigma. The atmospheric lifetimes of MHP with respect to reactions with O-3 and NO2 were estimated at 3.5 and 2.6 years, respectively. Finally, the results are discussed within the context of the atmospheric decay chemistry of MHP and its environmental impact. (c) 2006 Elsevier B.V. All rights reserved.
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