Surface-tension values

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 °C72.86 ± 0.05[2]
Water–air 21.5 °C72.75
Water–air 25 °C71.99±0.05[2]
Methylene iodide–air 20 °C67.00
Methylene iodide–air 21.5 °C63.11
Ethylene glycol–air 25 °C47.3
Ethylene glycol–air 40 °C46.3
Dimethyl sulfoxide–air 20 °C43.54
Propylene carbonate–air 20 °C41.1
Benzene–air 20 °C28.88
Benzene–air 30 °C27.56
Toluene–air 20 °C28.52
Chloroform–air 25 °C26.67
Propionic acid–air 20 °C26.69
Butyric acid–air 20 °C26.51
Carbon tetrachloride–air 25 °C26.43
Butyl acetate–air 20 °C25.09
Diethylene glycol–air 20 °C30.09
Nonane–air 20 °C22.85
Methanol–air 20 °C22.50
Ethanol–air 20 °C22.39
Ethanol–air 30 °C21.55
Octane–air 20 °C21.62
Heptane–air 20 °C20.14
Ether–air 25 °C20.14
Mercury–air 20 °C486.5
Mercury–air 25 °C485.5
Mercury–air 30 °C484.5
NaCl–air 1073 °C115
KClO3–air 20 °C81
Water1-Butanol 20 °C1.8
WaterEthyl acetate 20 °C6.8
WaterHeptanoic acid 20 °C7.0
WaterBenzaldehyde 20 °C15.5
Water–Mercury 20 °C415
Ethanol–Mercury 20 °C389
Water–1,2-Dichloroethane 20 °C30.5 ± 0.3[3]
Water–α,α,α-trifluorotoluene 20 °C38.0 ± 0.5[3]
Water–nitrobenzene 20 °C24.4 ± 0.2[3]
Water–nitromethane 20 °C16.0 ± 0.2[3]

References

  1. A. W. Adamson, A. P. Gast.; Physical chemistry of surfaces; 6Ed, Wiley, 1997)
  2. 1 2 Colloids and Surfaces (1990)43,169–194, Pallas,N.R. and Harrison,Y
  3. 1 2 3 4 Smirnov, Evgeny (Pendant drop measurements). "Self-healing gold mirrors and filters at liquid–liquid interfaces". Nanoscale. doi:10.1039/C6NR00371K. Retrieved 07 March 2016. Check date values in: |access-date=, |date= (help)

External links

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