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
 110   Methanol   67-56-1   CH4O 

DIPPR106 Equation Parameters (Surface Tension in mN/m, T in K)
No.  A   B   C   D   E  Tc Tmin Tmax
(1)  102.06   4.2709   -6.0509   2.9715   0   512.6   175   508 

Calculation Over Validity Range
Temperature [K] Surface Tension(1) [mN/m]
175 35.1624
181.66 34.185
188.32 33.255
194.98 32.3689
201.64 31.523
208.3 30.7142
214.96 29.9394
221.62 29.1956
228.28 28.4801
234.94 27.7903
241.6 27.1236
248.26 26.4777
254.92 25.8502
261.58 25.239
268.24 24.6419
274.9 24.0569
281.56 23.482
288.22 22.9151
294.88 22.3546
301.54 21.7984
308.2 21.2448
314.86 20.6922
321.52 20.1386
328.18 19.5825
334.84 19.0223
341.5 18.4563
348.16 17.8831
354.82 17.301
361.48 16.7088
368.14 16.105
374.8 15.4883
381.46 14.8576
388.12 14.2117
394.78 13.5497
401.44 12.8708
408.1 12.1743
414.76 11.4598
421.42 10.727
428.08 9.97604
434.74 9.20726
441.4 8.42146
448.06 7.61985
454.72 6.80423
461.38 5.97706
468.04 5.14164
474.7 4.30234
481.36 3.46499
488.02 2.63751
494.68 1.83115
501.34 1.06354
508 0.369282
DIPPR106 Equation Form

DIPPR106 Equation

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