Surface-tension values

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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).


Surface tension for some interfaces
Interface Temperature γ in (mN·m−1)
Water–air 20 °C 72.86 ± 0.05[2]
Water–air 21.5 °C 72.75
Water–air 25 °C 71.99±0.05[2]
Methylene iodide–air 20 °C 67.00
Methylene iodide–air 21.5 °C 63.11
Ethylene glycol–air 25 °C 47.3
Ethylene glycol–air 40 °C 46.3
Dimethyl sulfoxide–air 20 °C 43.54
Propylene carbonate–air 20 °C 41.1
Benzene–air 20 °C 28.88
Benzene–air 30 °C 27.56
Toluene–air 20 °C 28.52
Chloroform–air 25 °C 26.67
Propionic acid–air 20 °C 26.69
Butyric acid–air 20 °C 26.51
Carbon tetrachloride–air 25 °C 26.43
Butyl acetate–air 20 °C 25.09
Diethylene glycol–air 20 °C 30.09
Nonane–air 20 °C 22.85
Methanol–air 20 °C 22.50
Ethanol–air 20 °C 22.39
Ethanol–air 30 °C 21.55
Octane–air 20 °C 21.62
Heptane–air 20 °C 20.14
Ether–air 25 °C 20.14
Mercury–air 20 °C 486.5
Mercury–air 25 °C 485.5
Mercury–air 30 °C 484.5
NaCl–air 1073 °C 115
KClO3–air 20 °C 81
Water–1-Butanol 20 °C 1.8
Water–Ethyl acetate 20 °C 6.8
Water–Heptanoic acid 20 °C 7.0
Water–Benzaldehyde 20 °C 15.5
Water–Mercury 20 °C 415
Ethanol–Mercury 20 °C 389

References[edit]

  1. ^ A. W. Adamson, A. P. Gast.; Physical chemistry of surfaces; 6Ed, Wiley, 1997)
  2. ^ a b Colloids and Surfaces (1990)43,169–194, Pallas,N.R. and Harrison,Y

External links[edit]

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