Radiolabelling measurements of radicals derived from Terpenoid volatile organic conpounds (VOCs) adsorbed in porous carbon

Author: Rhodes, Christopher J.

Source: Progress in Reaction Kinetics and Mechanism, Volume 31, Number 3, 2006 , pp. 159-188(30)

Publisher: Science Reviews 2000 Ltd

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Abstract:

Radiolabelled free radicals were formed by the addition of muonium-a radioactive hydrogen atom with a positive muon as its nucleus-to α-pinene, β-pinene, dihydrocarvone, dihydrocarveol and dipentene, each as adsorbed in porous carbon. The radicals were identified using transverse-field muon spin rotation (TF-MuSR) and the activation parameters associated with their reorientational motion were measured using longitudinal-field muon spin relaxation (LF-MuSRx). Two distinct adsorbed fractions were detected in each sample, characterised by activation energies in the range 2-6 kJ/mol and 12-16 kJ/mol respectively.

Document Type: Research article

DOI: http://dx.doi.org/10.3184/146867806X197113

Affiliations: 1: Fresh-lands, PO Box 2074, Reading RG4 5ZQ, UK

Publication date: 2006-04-30

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Progress in Reaction Kinetics & Mechanism is an international journal for the quarterly publication of both in-depth reviews and research articles.
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