DEE surface tension coefficients don't match reference

[ibell]

The parameters implemented for DEE:

#STN   !---Surface tension---
ST1    !Surface tension model for diethyl ether of Mulero et al. (2014).
:DOI: 10.1063/1.4878755
?
?```````````````````````````````````````````````````````````````````````````````
?Mulero, A. and Cachadi�a, I.,
? "Recommended Correlations for the Surface Tension of Several Fluids
? Included in the REFPROP Program,"
? J. Phys. Chem. Ref. Data, 43, 023104, 2014.
? doi: 10.1063/1.4878755
?
!```````````````````````````````````````````````````````````````````````````````
0.                 !
10000.             !
0.                 !
0.                 !
2                  !Number of terms in surface tension model
466.7              !Critical temperature used in fit (dummy)
 0.3995    1.466   !Sigma0 and n
-0.3455    1.523

do not match the parameters from Mulero and Cachadina that are cited:

[marciahuber]

Yes, that is an error. There is a more up-to-date reference that now is used, published in 2023, https://doi.org/10.1063/5.0139446
You can ask for an updated file at REFPROP@NIST.GOV