Anomalous volumetric behavior of water-hexane and water-decane mixtures in the vicinity of the critical region as studied by infrared spectroscopy

Ishikawa, Yuki; Arai, Sigenori; Furutaka, Seiya; Ikawa, Shun-ichi

doi:10.1063/1.1906211


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Anomalous volumetric behavior of water-hexane and water-decane mixtures in the vicinity of the critical region as studied by infrared spectroscopy

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Title:	Anomalous volumetric behavior of water-hexane and water-decane mixtures in the vicinity of the critical region as studied by infrared spectroscopy
Authors:	Ishikawa, Yuki Browse this author
	Arai, Sigenori Browse this author
	Furutaka, Seiya Browse this author
	Ikawa, Shun-ichi⁴ Browse this author
Authors(alt):	井川, 駿一⁴
Issue Date:	25-May-2005
Publisher:	American Institute of Physics
Journal Title:	The Journal of Chemical Physics
Volume:	122
Issue:	204506
Start Page:	1
End Page:	5
Publisher DOI:	10.1063/1.1906211
PMID:	15945751
Abstract:	Infrared spectra of binary mixtures of water with hexane and decane were measured at temperatures and pressures in the 473–648 K and 70–350 bar ranges, respectively. Volumetric concentrations of water and the hydrocarbons in the mixtures were obtained from absorption intensities of the fundamental OH stretching band of HDO and combination transitions of the hydrocarbons. Using both the concentrations, densities of the aqueous mixtures were estimated and compared with densities before mixing, which were calculated using literature densities of the neat liquids. It is found that anomalously large volume expansion on mixing occurs in the vicinity of the critical region of the mixtures.
Rights:	Copyright © 2005 American Institute of Physics
Relation:	http://www.aip.org/
Type:	article
URI:	http://hdl.handle.net/2115/1393
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 井川駿一

OAI-PMH ( junii2 , jpcoar_1.0 )

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