Density measurements of compressed dipropyl, dibutyl, bis(2-ethylhexyl) adipates from (293 to 373 K) at pressures up to about 68 MPa
作者： João C.F. Diogo , Helena M.N.T. Avelino , Fernando J.P. Caetano , João M.N.A. Fareleira
DOI: 10.1016/J.FLUID.2014.04.018
关键词: Atmospheric temperature range 、 Adipate 、 Chemistry 、 Tait equation 、 Isobaric process 、 Thermodynamics 、 Compressibility 、 Thermal expansion 、 Atmospheric pressure 、 Work (thermodynamics)
摘要: Abstract The article reports density measurements of dipropyl (DPA), dibutyl (DBA) and bis(2-ethylhexyl) (DEHA) adipates, using a vibrating U-tube densimeter, model DMA HP, from Anton Paar GmbH. were performed in the temperature range (293 to 373) K at pressures up about 68 MPa, except for DPA which upper limits 363 K 65 MPa, respectively. data each liquid was correlated with pressure modified Tait equation. expanded uncertainty present results is estimated as ±0.2% 95% confidence level. No literature higher than 0.1 MPa could be found. DEHA atmospheric agree correlation measurements, corresponding range, within ±0.11%. isothermal compressibility isobaric thermal expansion calculated by differentiation These two parameters also dimethyl adipate (DMA), reported previous work. uncertainties are less ±1.7% ±1.1%, respectively, Literature expansivity have an agreement ±1% ±2.4%, this
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