dc.date.accessioned | 2021-08-23T22:52:01Z | |
dc.date.accessioned | 2022-10-19T00:19:04Z | |
dc.date.available | 2021-08-23T22:52:01Z | |
dc.date.available | 2022-10-19T00:19:04Z | |
dc.date.created | 2021-08-23T22:52:01Z | |
dc.date.issued | 2017 | |
dc.identifier | http://hdl.handle.net/10533/250880 | |
dc.identifier | 1150822 | |
dc.identifier | WOS:000417775700010 | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4482143 | |
dc.description.abstract | Two solid derivatives of dichlone (2,3-dichloronaphthalene-1,4-dione), 2-(benzylamino)-3chloronaphthalene-1,4-dione and 2-chloro-3-(phenethylamino)naphthalene-1,4-dione were synthetized by replacing the chlorine atom with the amine substituent by means of a substitution reaction, with a purity grade of 98% mol mol(-1). The solubility expressed as molar fraction of each solid derivative in the supercritical carbon dioxide rich-phase was measured at (313, 323 and 333) K and pressures ranged from (8.59 to 32.51)MPa, using a recirculation method with direct determination of the solubility in a high performance liquid chromatography. Results indicated that the measured solubility ranges were between (23.10(-6) and 114.10(-6)) mol mol(-1) for solid 2-(benzylamino)-3-chloronaphthalene-1,4-dione. For the second solid derivative, 2-chloro-3(phenethylamino)naphthalene-1,4-dione measured solubilities were between (57.10(-6) and 161.10(-6)) mol mol-1. Experimental measured solubility values were analyzed by using a procedure that included the estimation of the combined expanded uncertainty for each solubility data point and the evaluation of the thermodynamic consistency utilizing a test based on the Gibbs-Duhem equation. In addition, the self-consistency was verifying by correlating the experimental solubility data with a semi-empirical model as a function of temperature, pressure and pure carbon dioxide density. (C) 2016 Elsevier B.V. All rights reserved. | |
dc.language | eng | |
dc.relation | https://doi.org/10.1016/j.supflu.2016.09.014 | |
dc.relation | handle/10533/111557 | |
dc.relation | 10.1016/j.supflu.2016.09.014 | |
dc.relation | handle/10533/111541 | |
dc.relation | handle/10533/108045 | |
dc.rights | info:eu-repo/semantics/article | |
dc.rights | info:eu-repo/semantics/openAccess | |
dc.rights | Atribución-NoComercial-SinDerivadas 3.0 Chile | |
dc.rights | http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ | |
dc.title | Isothermal solubility in supercritical carbon dioxide of solid derivatives of 2,3-dichloronaphthalene-1,4-dione (dichlone): 2-(Benzylamino)-3-chloronaphthalene-1,4-dione and 2-chloro-3-(phenethylamino)naphthalene-1,4-dione | |
dc.type | Articulo | |