Nature 154, 577-577 (04 November 1944) | doi:10.1038/154577a0

Borax as a Standard Buffer Solution

A. D. ELMSLY LAUCHLAN

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USERS of glass electrodes frequently require for purposes of standardization an easily prepared buffer solution in the region of pH 9, and use is generally made of an M/20 solution of A.R. borax, which according to tables1 has a value of 9·23 at 20° C.

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References

  1. " Hydrogen Ions". By H. T. S. Britton.
  2. Hitchcock, D. I., and Taylor, A. C., J. Amer. Chem. Soc., 1812 1937).
  3. Michaelis, L., " Die Wasserstoffionenkorizentration".
  4. Clark, W. M., " The Determination of Hydrogen Ions".