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Strange behavior when HMX.BNC file exceeds 1500 binary parameter sets

Status: Open.

#758 In usnistgov/REFPROP-issues;

· ThukeS opened on Mar 31, 2026

Request for R1233zd(Z) fluid file

Status: Open.

#757 In usnistgov/REFPROP-issues;

· jjanggu2046-prog opened on Mar 31, 2026

The thermophysical property results of the two-phase region for a CO₂–O₂ mixture differ between DLL function calls and software interface calls.

Status: Open.

#756 In usnistgov/REFPROP-issues;

· BboyArrow1 opened on Mar 26, 2026

How do I get saturation densities near but below the EOS critical point temperature

Status: Open.

#754 In usnistgov/REFPROP-issues;

· djvanpeursem opened on Feb 25, 2026

Uncertainty in Enthalpy Values/Calculations for R454B

Status: Open.

#753 In usnistgov/REFPROP-issues;

· Steph-Huu opened on Jan 31, 2026

Enthalpy of orthohydrogen does not match the values from Leachman at al.

Status: Open.

#752 In usnistgov/REFPROP-issues;

· Rich780 opened on Dec 20, 2025

R-515B Density Uncertainty

Status: Open.

#750 In usnistgov/REFPROP-issues;

· MEC-RnD-NO opened on Dec 9, 2025

R449A enthalpy mismatch between REFPROP and Danfoss/ASERCOM tools when using T & Q as inputs

Status: Open.

#749 In usnistgov/REFPROP-issues;

· hichem-code opened on Dec 6, 2025

SATSPLN Error for Nitrogen + Helium Mixtures far from Critical Point

Status: Open.

#747 In usnistgov/REFPROP-issues;

· GeorgeKleynhans opened on Dec 4, 2025

Missing binary pairs for R23&Nitrogen and R218&Nitrogen

Status: Open.

#743 In usnistgov/REFPROP-issues;

· Akwiatkowski-eng opened on Sep 25, 2025

R1234ze(E) Surface Tension

Status: Open.

#742 In usnistgov/REFPROP-issues;

· dcawley15 opened on Sep 18, 2025

Modeling diagram of CO2 phases

Status: Open.

#739 In usnistgov/REFPROP-issues;

· PAndre73 opened on Aug 21, 2025