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Radical Production evidenced by Dimer Analysis in γ-Irradiated Amides in Aqueous Solutions and in the Solid State

DOI: 10.1039/f19878300125

Source and publish data:

Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 125 - 134 (1987)

Update date:2022-07-29

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Authors:

Dusaucy, Anne-CatherineDusaucy, Anne-Catherine

Doncker, Joelle DeDoncker, Joelle De

Couillard, ChristineCouillard, Christine

Leat, Marc DeLeat, Marc De

Tilquin, BernardTilquin, Bernard

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Article abstract of DOI:10.1039/f19878300125

A study of the nature and distribution of radicals produced by the radiolysis of amides in the solid state has been made by two complemetary methods: (i) final product analysis by capillary gas chromatography and (ii) the direct observation of radicals by electron spin resonance spectroscopy.The dimer isomer distribution for N-methylformamide (NMF), N-methylacetamide (NMA) and N,N-dimethylformamide (DMF) allows one to estimate the parent radical distribution by using a statistical rule for dimer formation.In the solid state the radiolytic formation of radicals is selective.Final product analysis by capillary gas chromatography and the direct study of radicals by pulse radiolysis are also complemetary methods for studying the nature of radicals produced from the radiolysis of amides in aqueous solutions.The selective production of one parent radical is characteristic of dilute solutions.

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