Surface-tension values

This is a table of surface tension values[1] for some interfaces at the indicated temperatures. Note that the SI units millinewtons per meter (mN·m−1) are equivalent to the cgs units dynes per centimetre (dyn·cm−1).

Interface Temperature γ (mN·m−1)
Water–air20 °C72.86 ± 0.05[2]
Water–air21.5 °C72.75
Water–air25 °C71.99±0.05[2]
Methylene iodide–air20 °C67.00
Methylene iodide–air21.5 °C63.11
Ethylene glycol–air25 °C47.3
Ethylene glycol–air40 °C46.3
Dimethyl sulfoxide–air20 °C43.54
Propylene carbonate–air20 °C41.1
Benzene–air20 °C28.88
Benzene–air30 °C27.56
Toluene–air20 °C28.52
Chloroform–air25 °C26.67
Propionic acid–air20 °C26.69
Butyric acid–air20 °C26.51
Carbon tetrachloride–air25 °C26.43
Butyl acetate–air20 °C25.09
Diethylene glycol–air20 °C30.09
Nonane–air20 °C22.85
Methanol–air20 °C22.50
Ethanol–air20 °C22.39
Ethanol–air30 °C21.55
Octane–air20 °C21.61
Heptane–air20 °C20.14
Ether–air25 °C20.14
Hexane-air20 °C17.9[3]
Mercury–air20 °C486.5
Mercury–air25 °C485.5
Mercury–air30 °C484.5
NaCl–air1073 °C115
KClO3–air20 °C81
Water1-Butanol20 °C1.8
WaterEthyl acetate20 °C6.8
WaterHeptanoic acid20 °C7.0
WaterBenzaldehyde20 °C15.5
Water–transformer oil20 °C37.2[4]
Water–Mercury20 °C415
Ethanol–Mercury20 °C389
Water–1,2-Dichloroethane20 °C30.5 ± 0.3[5]
Waterα,α,α-trifluorotoluene20 °C38.0 ± 0.5[5]
Waternitrobenzene20 °C24.4 ± 0.2[5]
Waternitromethane20 °C16.0 ± 0.2[5]
Waterpropylene carbonate20 °C2.9 ± 0.1[6]

References

  1. A. W. Adamson, A. P. Gast.; Physical chemistry of surfaces; 6Ed, Wiley, 1997)
  2. Colloids and Surfaces (1990)43,169–194, Pallas,N.R. and Harrison,Y
  3. "Surface Tension of Hexane from Dortmund Data Bank". ddbst.com. Retrieved 13 October 2020.
  4. Geoffrey Taylor (1964). "Disintegration of Water Droplets in an Electric Field". Proceedings of the Royal Society A. 280 (1382): 383–397. Bibcode:1964RSPSA.280..383T. doi:10.1098/rspa.1964.0151. JSTOR 2415876. S2CID 15067908.
  5. Smirnov, Evgeny; Peljo, Pekka; Scanlon, Micheál D.; Gumy, Frederic; Girault, Hubert H. (2016). "Self-healing gold mirrors and filters at liquid–liquid interfaces" (PDF). Nanoscale. 8 (14): 7723–7737. Bibcode:2016Nanos...8.7723S. doi:10.1039/c6nr00371k. hdl:10344/8369. ISSN 2040-3364. PMID 27001646.
  6. Smirnov, Evgeny; Peljo, Pekka; Girault, Hubert (2017). "Self-assembly and redox induced phase transfer of gold nanoparticles at the water-propylene carbonate interface" (PDF). Chem. Commun. 53 (29): 4108–4111. doi:10.1039/c6cc09638g. ISSN 1364-548X. PMID 28349148.

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