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Spectra of propylperoxy radicals and rate constants for mutual interaction

โœ Scribed by Hiroyuki Adachi; Norman Basco

Book ID
102926645
Publisher
John Wiley and Sons
Year
1982
Tongue
English
Weight
675 KB
Volume
14
Category
Article
ISSN
0538-8066

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โœฆ Synopsis

The flash photolyses of azo-n-propane and azoisopropane in the presence of oxygen have been studied by kinetic spectroscopy. The transient absorption spectra observed in the region of 210-290 nm are assigned to the n-propylperoxy and isopropylperoxy radicals. For the n-propylperoxy radical, cmax = 1148 f 29 L/mol cm at 242.5 nm and for the isopropylperoxy radical, cmax = 1273 f 75 L/mol cm at 240 nm. The rate constants for the mutual reactions (7) 2ROyproducts were measured to be k7 = (2.0 f 0.2) X los L/mol s for the n-propylperoxy radical and k7 = (7.8 f 2.2) X lo5 L/mol s for the isopropylperoxy radical.

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