Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
New Phase Transition Phenomena of DL-2-Amino Butanoic Acid-Water System and DL-Norleucine-Water System
Masayuki MatsumotoHirofumi YajimaYoshihiko TezukaTadahiro IshiiKazuyoshi TakahashiAtsushi Asai
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1997 Volume 26 Issue 3 Pages 193-194

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Abstract

DSC measurements of transition of DL-2-amino butanoic acid(DL-ABA) and of DL-norleucine(DL-NL) containing water were made. It was found that peak temperature obtained in transition of DL-ABA-water system was independent of water content and was 359 K compared with the B-A transition temperature, 506 K, whereas the peak temperature of DL-NL-water system was nearly equal to 390 K in solid-solid phase transition.

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© 1997 The Chemical Society of Japan
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