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Received June 01, 1993,Revised , Accepted , Available online

Volume 5,1993,Pages 481-490

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The rate constants for the reaction of hydroxyl radical with HCFC-22 in the temperature range of 302-382 K have been determined by using discharge flow resonance fluorescence instrument.The Arrhenius expression in units cm3.mOl-1.S-1 is given as follows: K(T)=(1.74±0.2)×10-12exp[-(14.14±O.32)/RT]. The residual life time of HCFC-22 has been calculated by a competitive method Methylchloroform was selected as a reference material.

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