Eine neue Mikrodoppelchinhydronelektrode.

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Abstract
In a small conic jar (U) a drop of the solution to be analyzed is placed, a trace of quinhydrone being added. Another conic jar (B) fitting into U is filled with the standard soln. (acetate) containing quinhydrone. The 2 solns. are in contact through the ground-glass joint of a small glass-stopper in the bottom of B which is moistened with saturated KCl soln. The apparatus is manufactured by: Prazisions-glasblaserei Hans Stepan, Vienna IX, Van Swietengasse 1.