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Application of positron annihilation lifetime spectroscopy to a study of N-benzoyl-N-phenyl hydroxylamine associations in solution

✍ Scribed by J.C. Machado; W.F. Magalhaes; A. Marques Netto; J.Ch. Abbé; G. Duplâtre

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 410 KB
Volume: 163
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(89)80025-9

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✦ Synopsis

Positron lifetime (LS) and IR spectroscopies have been used to study solutions of N-benzoyl-N-phenyl hydroxylamme in various solvents. The LS results show an inhibition ofpositronium formation, but no quenching effect by the solute. A total inhibition process together with solute dimerisation can account for the concentration dependence of the ortho-positronium intensity. The other techniques corroborate this hypothesis. This work shows that positrons are suitable probes to study intermolecular association processes

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