Krafft point

https://doi.org/10.1351/goldbook.K03415
The temperature (more precisely, narrow temperature range) above which the @[email protected] of a @[email protected] rises sharply. At this temperature the @[email protected] of the surfactant becomes equal to the @[email protected] It is best determined by locating the abrupt change in slope of a graph of the logarithm of the @[email protected] against \(t\) or \(\frac{1}{T}\).
Source:
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 613 [Terms] [Paper]
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). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014