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The reactions of OH radicals with chloroalkanes in the temperature range 295–360 K

✍ Scribed by Frank Markert; Ole John Nielsen


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
417 KB
Volume
194
Category
Article
ISSN
0009-2614

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✦ Synopsis


The temperature dependency of the rate constants for the gas phase reaction of OH radicals with a series of chloroalkanes was measured in the temperature range from 295 to 360 K at a total pressure of I atm. The rate constants were obtained by using the absolute technique of pulse radiolysis combined with kinetic UV spectroscopy. The results are discussed in terms of reactivity


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Rate constants for the reaction of OH ra
✍ Frank Markert; Ole John Nielsen 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 329 KB

The rate constants for the reaction of OH radicals with a series of 1 chloroalkanes were measured at 295 K and at a total pressure of 1 atm. The rate constants were obtained by using the absolute technique of pulse radiolysis combined with kinetic UV-spectroscopy. The results are discussed in terms

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Rate constants for the reactions of OH radicals with CH,CHF, and CHCI,CF, have been determined over the temperature range 295-388 K and a total pressure of 1 atm. The OH rate data were obtained using the absolute rate technique of pulse radiolysis combined with kinetic spectroscopy.

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Absolute rate constants have been measured for the reaction of the OH radical with diacetylene over the temperature range of 296-688K using a flash photolysis-resonance fluorescence technique. The best fit to the data is given by the following Arrhenius expression: k= 1.11 x 10 -II exp{410+3OO(cal/m

Kinetics of the reactions of C2H5, n-C3H
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## Abstract The kinetics of the C~2~H~5~ + Cl~2~, __n__‐C~3~H~7~ + Cl~2~, and __n__‐C~4~H~9~ + Cl~2~ reactions has been studied at temperatures between 190 and 360 K using laser photolysis/photoionization mass spectrometry. Decays of radical concentrations have been monitored in time‐resolved measu

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to be ca. 1000 times lower than the average tropospheric OH radical concentrations [5]. The amount of data concerning the reactions of ethers and other oxygenated compounds with Cl atoms [1,6 -12] is not as extensive as that for the reaction with OH radicals and is increased by this study. By measu

Rate constants for the reaction of OH ra
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Absolute rate constants. k2. for the reaction of OH radicals with 2-methyl-2-butene have been determined over the temperature range 297-425 K usinp P flash photolysis-resonance fluorescence technique. The Arrhenius expression obtained was & = 3.6 X lo-" exp [(450 +-400)/RTJ cm3 moleculeS1 ~8.