Please use this identifier to cite or link to this item: https://hdl.handle.net/10321/836
Title: Solid–liquid equilibria measurements for binary systems comprising (butyric acid + propionic or pentanoic acid) and (heptanoic acid + propionic or butyric or pentanoic or hexanoic acid)
Authors: Ramjugernath, Deresh 
Deenadayalu, Nirmala 
Naidoo, Paramespri 
Ngema, Peterson Thokozani 
Reddy, Prashant 
Bahadur, Indra 
Tadie, Margreth 
Keywords: Solid–liquid equilibrium;Eutectic;NRTL;Synthetic method
Issue Date: Feb-2013
Publisher: Elsevier
Source: Ramjugernath, D., Deenadayalu, N., Naidoo, P., Ngema, P.T., Reddy, P., Bahadur, I. and Tadie, M. 'Solid–liquid equilibria measurements for binary systems comprising (butyric acid + propionic or pentanoic acid) and (heptanoic acid + propionic or butyric or pentanoic or hexanoic acid)' The Journal of Chemical Thermodynamics. 57 (2013): 485-492.
Abstract: 
Solid–liquid equilibria (SLE) measurements have been undertaken for carboxylic acid systems comprising (butyric acid + propionic or pentanoic acid) and (heptanoic acid + propionic or butyric or pentanoic or hexanoic acid) via a synthetic method using two complementary pieces of equipment. The measurements have been obtained at atmospheric pressure and over the temperature range of (225.6 to 270.7) K. All the acid mixtures exhibit a eutectic point in their respective phase diagrams, which have been determined experimentally. The estimated maximum uncertainties in the reported temperatures and compositions are ±1 K and ±0.0006 mole fraction, respectively. The experimental data have been satisfactorily correlated with the Wilson and NRTL activity coefficient models.
URI: http://hdl.handle.net/10321/836
DOI: http://dx.doi.org/10.1016/j.jct.2012.09.019
Appears in Collections:Research Publications (Applied Sciences)

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