PVT Property Measurements for Some Aliphatic Esters from (298 to 393) K and up to 35 MPa | Zendy

Ramesh L. Gardas | Zendy; I. Johnson | Zendy; David M. D. Vaz | Zendy; I.M.A. Fonseca | Zendy; Abel G.M. Ferreira | Zendy

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PVT Property Measurements for Some Aliphatic Esters from (298 to 393) K and up to 35 MPa

Author(s) -

Ramesh L. Gardas,

I. Johnson,

David M. D. Vaz,

I.M.A. Fonseca,

Abel G.M. Ferreira

Publication year - 2007

Publication title -

journal of chemical and engineering data

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.719

H-Index - 132

eISSN - 1520-5134

pISSN - 0021-9568

DOI - 10.1021/je060339m

Subject(s) - isobaric process , thermodynamics , heptane , isothermal process , calibration , chemistry , atmospheric temperature range , heat capacity , materials science , physics , quantum mechanics

The results of PVT measurements of the liquid phase within the temperature range of (298 to 393) K and up to 35 MPa are presented for some aliphatic esters. Measurements were made by means of a vibrating-tube densimeter, model DMA 512P from Anton Parr. The calibration of the densimeter was performed with water and n-heptane as reference fluids. The experimental PVT data have been correlated by a Tait equation. This equation gives excellent results when used to predict the density of the esters using the method proposed by Thomson et al. (AIChE J. 1982, 28, 671-676). Isothermal compressibilities, isobaric expansivities, thermal pressure coefficients, and changes in the isobaric heat capacity have been calculated from the volumetric data.

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