Abstract
AbstractSuperoxide produced by either pulse radiolysis or from KO2 undergoes no reaction with furfuryl alcohol competitive to the corresponding endo‐peroxide formation with singlet oxygen. Thus, furfuryl alcohol can be used as a specific chemical quencher of singlet oxygen.Superoxide can be quantitatively analyzed by its electron transfer reaction with 1, 4‐benzoquinone.The differentiation of the two activated species of oxygen has been realized in microemulsions. Singlet oxygen is known to penetrate the interfaces of surfactant aggregates and may be analyzed in the hydrophobic core by known methods. Charged surfaces on such aggregates, specially those formed by anionic surfactants, prevent the passage of superoxide and restrict its presence and the need for analysis to the bulk aqueous phase.Hydrated electrons may penetrate the interface depending on the dose per pulse applied. 2, 5‐Di (t‐butyl)‐1, 4‐benzoquinone has been taken as an acceptor for electron transfer reactions within the hydrophobic core.
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