IUPAC > Gold Book > alphabetical index > P > primary pH standards


primary pH standards

Certain substances which meet the criteria of:
  1. reproducible preparation in a highly pure state;
  2. stability of solution over a reasonable period of time;
  3. having a low value of the residual liquid junction potential;
  4. having pH betwen 3 and 11.
Interactive Link Maps
First LevelSecond LevelThird Level
Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.P04837.
Original PDF version: http://www.iupac.org/goldbook/P04837.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
Current PDF version | Version for print | History of this term