Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
84 (1986), S. 5965-5966
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
A CO2 TEA laser is used to generate PO radical by infrared multiphoton dissociation of dimethyl methylphosphonate in an excess of oxygen at total pressures up to 1.4 Torr. The pseudo-first-order reactive decay of PO (v‘=0) is followed by laser-induced fluorescence utilizing its A 2Σ+–X 2Π transition. A bimolecular rate constant of 1.4 (±0.2)×10−11 cc/molecule/s is measured for the PO+O2 reaction. Earlier measurements of a much slower rate in flow discharge systems may be complicated by the establishment of equilibrium between the forward and reverse reactions PO+O2↔PO2+O.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.450783
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