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–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 | 21.61 |
Heptane–air | 20 °C | 20.14 |
Ether–air | 25 °C | 20.14 |
Hexane-air | 20 °C | 17.9 [3] |
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–transformer oil | 20 °C | 37.2 [4] |
Water–Mercury | 20 °C | 415 |
Ethanol–Mercury | 20 °C | 389 |
Water–1,2-Dichloroethane | 20 °C | 30.5 ± 0.3 [5] |
Water– α,α,α-trifluorotoluene | 20 °C | 38.0 ± 0.5 [5] |
Water– nitrobenzene | 20 °C | 24.4 ± 0.2 [5] |
Water– nitromethane | 20 °C | 16.0 ± 0.2 [5] |
Water– propylene carbonate | 20 °C | 2.9 ± 0.1 [6] |
More values on
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–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 | 21.61 |
Heptane–air | 20 °C | 20.14 |
Ether–air | 25 °C | 20.14 |
Hexane-air | 20 °C | 17.9 [3] |
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–transformer oil | 20 °C | 37.2 [4] |
Water–Mercury | 20 °C | 415 |
Ethanol–Mercury | 20 °C | 389 |
Water–1,2-Dichloroethane | 20 °C | 30.5 ± 0.3 [5] |
Water– α,α,α-trifluorotoluene | 20 °C | 38.0 ± 0.5 [5] |
Water– nitrobenzene | 20 °C | 24.4 ± 0.2 [5] |
Water– nitromethane | 20 °C | 16.0 ± 0.2 [5] |
Water– propylene carbonate | 20 °C | 2.9 ± 0.1 [6] |
More values on