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Laser flash photolysis of iodine-iodide mixture in tertiobutanol solution. Evidence for the existence of the radical anion

✍ Scribed by Philippe Fornier de Violet

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 287 KB
Volume: 37
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(76)85018-x

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✦ Synopsis

Leer flash &&o&is of a concentrated iodine solution in the presence of I-ions in tertiobutanol gives rise to a transient absorption band with a maximum at 540 m-n. At equilibrium the soIution contains mtiy Iz, 1; and to a Iesser extent I;. The actinic flash at 529 IIIY~ photodissociates the iodine into iodine atoms which can be scavenged by 1, to give the transient species 16; absorbing at 540 rim. As the 1, concentration is increasd the radical anion I$ is dso formed by dtiect photodi~so~~tian of 1; since its absorption reaches the 529 nm range. Analysis of the EtiIzetic datz is given.

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