Reports

Electrode for Sensing Fluoride Ion Activity in Solution

Science  23 Dec 1966:
Vol. 154, Issue 3756, pp. 1553-1555
DOI: 10.1126/science.154.3756.1553

Abstract

Electrodes constructed from single-crystal sections of rare earth fluorides respond to fluoride ion activity over more than five orders of magnitude and show a high selectivity for fluoride over other common anions. These electrodes can be used for either direct measuremnent of fluoride ion activity or detection of the end point in titration.

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