A Torsion Magnetometer for Determining Free Radicals in Some Organic Solutions

概要

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A torsion pendulum magnetometer whose sensitivity is 1 × 10^<-10> c.g.s.e.m.u./division was made with fused silica. By using this, a process in which the free radicals appear and disappear was traced magnetically from time to time during the reduction of duroquinone with glucose, and the result showing a fair agreement with Michaelis' was obtained. Secondly, we examined similar reactions by changing reducing agents, their concentrations and the temperature. Finally, the mean life time of free radicals was calculated from the observation. Then it was found to be shown as an exponentially decreasing function with temperature, and to be about 20 minutes at room temperature.
社団法人日本物理学会の論文
1958-06-05