Property Calculation
⇒ Saturated Vapor Pressure
⇒ Saturated Liquid Density
⇒ Liquid Dynamic Viscosity
⇒ Surface Tension
⇒ Heat of Vaporization
Property Estimation
⇒ UNIFAC
⇒ MOSCED
⇒ Joback
Group Assignment
⇒ UNIFAC and PSRK

20 Years UNIFAC Consortium

Surface Tension

Calculation by DIPPR106 Equation

Component
Temperature Unit 
Property Unit
Temperatures
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Component Details
DDB NumberNameCAS-No. Formula
 11   Ethanol   64-17-5   C2H6O 

DIPPR106 Equation Parameters (Surface Tension in mN/m, T in K)
No.  A   B   C   D   E  Tc Tmin Tmax
(1)  131.38   5.5437   -8.4826   4.3164   0   516.2   180   513 

Calculation Over Validity Range
Temperature [K] Surface Tension(1) [mN/m]
180 34.615
186.66 33.5626
193.32 32.5717
199.98 31.6372
206.64 30.7541
213.3 29.9177
219.96 29.124
226.62 28.3688
233.28 27.6484
239.94 26.9593
246.6 26.2982
253.26 25.6618
259.92 25.0471
266.58 24.4513
273.24 23.8716
279.9 23.3052
286.56 22.7496
293.22 22.2023
299.88 21.6608
306.54 21.1228
313.2 20.5859
319.86 20.0481
326.52 19.507
333.18 18.9605
339.84 18.4067
346.5 17.8436
353.16 17.2694
359.82 16.6822
366.48 16.0805
373.14 15.4627
379.8 14.8276
386.46 14.174
393.12 13.501
399.78 12.808
406.44 12.0946
413.1 11.361
419.76 10.6076
426.42 9.83525
433.08 9.04557
439.74 8.24065
446.4 7.42338
453.06 6.59746
459.72 5.76759
466.38 4.93958
473.04 4.1206
479.7 3.31948
486.36 2.54712
493.02 1.8173
499.68 1.14818
506.34 0.566125
513 0.119993
DIPPR106 Equation Form

DIPPR106 Equation

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