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The Effect of Substituent Groups in Bis(dithiobenzil) Nickel Compounds on Their Absorption Spectra, Reduction Potential and Singlet Oxygen Quenching Efficiency

The influence of substituents on the longest wavelengths of absorption maxima and the reduction potential of bis(p-substituted dithiobenzil) nickel compounds has been evaluated by the classical Hammett equation. The amount of singlet oxygen quenched by bis(p-substituted dithiobenzil) nickel has been conveniently measured by means of gas chromatography using a capillary column

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