NIST TRC ThermoML Dataset

Volumetric and compressibility behaviour of ionic liquid, 1-n-butyl-3-methylimidazolium hexafluorophosphate and tetrabutylammonium hexafluorophosphate in organic solvents at T = 298.15 K Zafarani-Moattar, M.T.; Shekaari, H.; The Journal of Chemical Thermodynamics 2006, 38, 624-633

Journal: The Journal of Chemical Thermodynamics
Sample Quantity(ies): Mass density
Methodology: VIBTUB:UFactor:8
Phase(s): Liquid
Substances:
1. tetrahydrofuran C4H8O (WYURNTSHIVDZCO-UHFFFAOYSA-N) - Commercial source
2. 1-butyl-3-methylimidazolium hexafluorophosphate C8H15F6N2P (IXQYBUDWDLYNMA-UHFFFAOYSA-N) - Commercial source

Data

P = 101 kPa, T = 298.15 K
m (mol kg^-1)	ρ (kg m^-3)
0.0100	883.07
0.2466	905.831
0.2811	908.968
0.4163	921.02
0.0218	884.323
0.0306	885.225
0.0578	887.952
0.0731	889.468
0.1018	892.277
0.1228	894.293
0.1561	897.462
0.2045	901.98

9628; tetrahydrofuran + 1-n-butyl-3-methylimidazolium hexafluorophosphate; 00020:00481