It is shown that the glass electrode may be used without appreciable error to measure pH of ammonia or ammonium chloride buffers, but that corrections must be applied above pH 8.6 if sodium ions are present in the unknown solution. Corrections are given for values from pH 8.6 to 9.4. A slight further modification of form of glass electrode used by previous workers is described.
Article| July 20 1929
THE VALIDITY OF THE GLASS ELECTRODE IN AMMONIUM CHLORIDE BUFFERS
Samuel E. Hill
From the Physiological Laboratory, Princeton University, Princeton.
Accepted: March 25 1929
Online Issn: 1540-7748
Print Issn: 0022-1295
Copyright, 1929, by The Rockefeller Institute for Medical Research
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Samuel E. Hill; THE VALIDITY OF THE GLASS ELECTRODE IN AMMONIUM CHLORIDE BUFFERS . J Gen Physiol 20 July 1929; 12 (6): 813–819. doi: https://doi.org/10.1085/jgp.12.6.813
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