Phase Equilibrium Relations and Structural Transition in the 1,1,1,2-Tetrafluoroethane Hydrate System

Katsuta, Yoshito; Suzuki, Sumihiro; Matsumoto, Yuuki; Hashimoto, Shunsuke; Sugahara, Takeshi; Ohgaki, Kazunari

doi:https://doi.org/10.1021/je400143m

Phase Equilibrium Relations and Structural Transition in the 1,1,1,2-Tetrafluoroethane Hydrate System

Katsuta, Yoshito; Suzuki, Sumihiro; Matsumoto, Yuuki et al.

Journal of Chemical and Engineering Data, 2013, 58(5), 1378-1381

アクセス数:18件（2025-08-28 22:23 集計）

固定URL: https://hdl.handle.net/11094/102342

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タイトル	Phase Equilibrium Relations and Structural Transition in the 1,1,1,2-Tetrafluoroethane Hydrate System
著者	著者名 Katsuta, Yoshito
	著者名 Suzuki, Sumihiro
	著者名 Matsumoto, Yuuki
	著者名 Hashimoto, Shunsuke
	NRID 1000020335384 1000020335384 ORCID 0000-0002-5236-5605 0000-0002-5236-5605 researchmap permalink read0191169 read0191169 Scopus Author ID 56212469300 56212469300 著者名 Sugahara, Takeshi
	NRID 1000080107078 1000080107078 著者名 Ohgaki, Kazunari
キーワード等	Gas hydrate
	Phase equilibria
	Structural phase transition
	Raman spectroscopy
内容	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical & Engineering Data, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/je400143m.
抄録	The three-phase (hydrate, aqueous, and HFC-134a-rich liquid phases) equilibrium relations of the 1,1,1,2-tetrafluoroethane (HFC-134a) + water binary system were measured in a pressure range up to 293 MPa. The HFC-134a hydrate has a structural phase transition point from structure-II to structure-I at (65 ± 1) MPa and (282.2 ± 0.1) K, where the slope of the three-phase equilibrium curve is drastically changed. The Raman spectra of the HFC-134a molecule in the structure-I HFC-134a hydrate phase indicate that HFC-134a molecule occupies only large cage of structure-I at a pressure up to 293 MPa.
出版者	American Chemical Society
収録物名	Journal of Chemical and Engineering Data
巻(号)	58(5)
ページ	1378-1381
刊行年月	2013-05-09
言語	英語
ハンドルURL	https://hdl.handle.net/11094/102342
PISSN	00219568
eISSN	15205134
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1021/je400143m
アクセス権	open access
権利情報	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical & Engineering Data, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/je400143m.
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Journal of Chemical and Engineering Data. 2013, 58(5), p. 1378-1381
DC.title	Phase Equilibrium Relations and Structural Transition in the 1,1,1,2-Tetrafluoroethane Hydrate System
DC.creator	Katsuta, Yoshito
	Suzuki, Sumihiro
	Matsumoto, Yuuki
	Hashimoto, Shunsuke
	Sugahara, Takeshi
	Ohgaki, Kazunari
DC.publisher	American Chemical Society
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2013-05-09
DC.identifier	https://doi.org/10.1021/je400143m
DC.subject	Gas hydrate
	Phase equilibria
	Structural phase transition
	Raman spectroscopy
DC.description	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical & Engineering Data, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/je400143m.
DCTERMS.abstract	The three-phase (hydrate, aqueous, and HFC-134a-rich liquid phases) equilibrium relations of the 1,1,1,2-tetrafluoroethane (HFC-134a) + water binary system were measured in a pressure range up to 293 MPa. The HFC-134a hydrate has a structural phase transition point from structure-II to structure-I at (65 ± 1) MPa and (282.2 ± 0.1) K, where the slope of the three-phase equilibrium curve is drastically changed. The Raman spectra of the HFC-134a molecule in the structure-I HFC-134a hydrate phase indicate that HFC-134a molecule occupies only large cage of structure-I at a pressure up to 293 MPa.
DC.rights	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical & Engineering Data, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/je400143m.
DC.format	102342
citation_title	Phase Equilibrium Relations and Structural Transition in the 1,1,1,2-Tetrafluoroethane Hydrate System
citation_author	Katsuta, Yoshito
	Suzuki, Sumihiro
	Matsumoto, Yuuki
	Hashimoto, Shunsuke
	Sugahara, Takeshi
	Ohgaki, Kazunari
citation_publisher	American Chemical Society
citation_language	英語
citation_date	2013-05-09
citation_journal_title	Journal of Chemical and Engineering Data
citation_volume	58
citation_issue	5
citation_firstpage	1378
citation_lastpage	1381
citation_doi	https://doi.org/10.1021/je400143m
citation_public_url	https://hdl.handle.net/11094/102342

Phase Equilibrium Relations and Structural Transition in the 1,1,1,2-Tetrafluoroethane Hydrate System

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