Abstract
Controlled-potential coulometric titrator and the titration cells have been deviced for the control analysis of semi-microgram quantities of uranium (VI) in nitric acid solutions.This instrument consists of transistorized potentiostat, and the coulometer, utilizing a pulse counter with a simple voltage-frequency converter composed of DC current amplifier and UJT (unijunction transistor).Between the range of 1 to 5 mg of uranium (VI), the precision was found to be 0.4 per cent of relative standard deviation.
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