Theoretical Analysis of Chemical Reaction in Frozen State (Part 2) : Introduction of a More Accurate Freezing Point Depression - 九大コレクション

＜紀要論文＞
Theoretical Analysis of Chemical Reaction in Frozen State (Part 2) : Introduction of a More Accurate Freezing Point Depression

作成者	著者識別子 L000853 作成者名 Murata, Satoshi 村田, 敏所属機関所属機関名 Laboratory of Agricultural Process Engineering, Faculty of Agriculture, Kyushu University 九州大学農学部農業工学科農産機械工学講座
	作成者名 Yamasaki, Nobuyuki 山崎, 信行所属機関所属機関名 Laboratory of Biochemisty, Faculty of Agriculture, Kyushu University 九州大学農学部農芸化学科生物化学講座
	著者識別子 K003200 作成者名 Tanaka, Fumihiko 田中, 史彦所属機関所属機関名 Laboratory of Agricultural Process Engineering, Faculty of Agriculture, Kyushu University 九州大学農学部農業工学科農産機械工学講座
本文言語	英語
出版者	Kyushu University
出版者	九州大学農学部
発行日	1993-12
収録物名	九州大学大学院農学研究院紀要
巻	38
号	1/2
開始ページ	1
終了ページ	7
出版タイプ	Version of Record
アクセス権	open access
Crossref DOI	https://doi.org/10.5109/24032
関連DOI	九州大学農学部紀要 \|\| 38(1/2) \|\| p1-7
	Journal of the Faculty of Agriculture, Kyushu University \|\| 38(1/2) \|\| p1-7
	http://www.agr.kyushu-u.ac.jp/
関連URI	九州大学農学部紀要 \|\| 38(1/2) \|\| p1-7
	Journal of the Faculty of Agriculture, Kyushu University \|\| 38(1/2) \|\| p1-7
	http://www.agr.kyushu-u.ac.jp/
関連情報	九州大学農学部紀要 \|\| 38(1/2) \|\| p1-7
	Journal of the Faculty of Agriculture, Kyushu University \|\| 38(1/2) \|\| p1-7
	http://www.agr.kyushu-u.ac.jp/

ファイル	ファイルタイプ	サイズ	閲覧回数	説明
p001	pdf	202 KB	368

PISSN	0023-6152
NCID	AA00697606
レコードID	24032
査読有無	査読無
主題	Theoretical analysis
	Frozen state
	Freezing point
ISSN	0023-6152
NCID	AA00697606
注記	Acceleration of chemical reactions in the frozen state has become of interest in recent years because of its unique characteristics. To give a theoretical interpretation for the acceleration mechanism of such reactions, a new equation is derived. The equation is essentially the product of Arrhenius formula of temperature effect and the term of liquid concentration varied with freezing ratio. In the previous paper (Murata et al., 1992)) for calculating the freezing ratio the Heiss formula was used. In this case, a more accurate freezing point depression is introduced and the error of the optimum temperature of reaction between calculated result and experimental result is reduced from 1.8℃ to 0.2℃. For calculation, the kinetic data obtained for the acid-catalyzed deformilation of Nacetyl-N’-formly-L-kynureninneamide (Yamasaki et al., 1976b) are used. The results clearly indicate that the calculated first -order rate constants at various temperatures are in good agreement with the experimental data. The acceleration of the deformylation of N’-formylkynurenine in the frozen acidic solutions can be interpreted as being due to the concentration of the reactants in the liquid region in ice crystals.
登録日	2012.08.01
更新日	2022.11.11