Direct measurement of potassium leak from single 3 M KCl microelectrodes.

@article{Stoner1984DirectMO,
  title={Direct measurement of potassium leak from single 3 M KCl microelectrodes.},
  author={Larry C. Stoner and E Natke and Michael Dixon},
  journal={The American journal of physiology},
  year={1984},
  volume={246 3 Pt 2},
  pages={F343-8}
}
Potassium loss was measured from individual microelectrodes filled with 3 M KCl. The potassium content of a distilled-water droplet into which a microelectrode was inserted for a known time interval was analyzed by helium-glow photometry. The rate of potassium loss from single microelectrodes (18-97 M omega) was within the detectable limits of this method. The rate of potassium loss appeared to decrease with increasing input resistance (determined in 0.16 M NaCl) for electrodes having a low… CONTINUE READING