Surface Tension Data: ethanol
Surface tension of liquids vs. temperature (liquid-air interface) in mN/m, with temperature coefficients and contact angles. Covers water (IAPWS 2014, 0-200 C), common solvents (ethanol, methanol, acetone, benzene, toluene, hexane, octane, dodecane, glycerol, ethylene glycol), cryogens (liquid N2, O2), refrigerant R-134a, acids, alkalis, molten metals (solder, aluminum, steel), and mercury.
| substance | temperature C | contact angle on glass deg (deg) | notes | phase pair | surface tension mN per m (mN/m) | temperature coefficient mN per m per C (mN/m/C) |
|---|---|---|---|---|---|---|
| ethanol | 20 | 0 | gamma(T) = 24.05 - 0.0832*(T-10) extrapolated from Jasper linear fit | liquid-air | 22.39 | -0.0832 |
| ethanol | 25 | 0 | Commonly cited 25°C value | liquid-air | 22 | -0.0832 |
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