The surface tension of water

N. R. Pallas, B. A. Pethica

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

The air-water interfacial tension has been redetermined by the capillary rise and Wilhelmy plate methods at 25°C. The drop-volume method, using the Harkins-Brown corrections, gives good values for glass tips if appropriate precautions are taken. The effect of replacing air with He or N2 at 1 atm. was not measurable, but CO2 at 1 atm. gives a significant lowering of the interfacial tension. Measurements over the range 20-45°C are also reported.

Original languageEnglish (US)
Pages (from-to)221-227
Number of pages7
JournalColloids and Surfaces
Volume6
Issue number3
DOIs
StatePublished - Apr 1983
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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