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Автор Akpınar, E.
Автор AcımıŠ, M.
Автор Ocak, Ã .
Дата выпуска 2001
dc.description Starting from the achiral nematic phase composed of DL-serine hydrochloride decylester (DL-SDE), the change in density has been measured at 20°C as DL-SDE was stepwise replaced by the L-enantiomer. It was found that the density increased linearly with the replaced mole fraction of the L-isomer. The average difference between the densities of the achiral nematic phase and intrinsic cholesteric phase was 0.001 g cm<sup>â 3</sup>. In addition, the density of two chiral solutes, hexahydromandelic acid (HHMA) and mandelic acid (MA) was measured in DL-SDE and decylammonium chloride (DACl) achiral nematic phases, respectively. Using a constant composition of the phases and equimolecular amount of the chiral solutes, the density of the phases containing HHMA was smaller than those containing MA. The average density difference was larger in the DL-SDE phase (0.0025 g cm<sup>â 3</sup>) than in the DACl phase (0.0017 g cm<sup>â 3</sup>). These phenomena are novel and have been initially recognized by density measurements.
Формат application.pdf
Издатель Royal Society of Chemistry
Название Strange mass density behaviour of a micellar chiral nematic phase composed of an amphiphilic racemic mixture and its L-enantiomer
Тип COM
Журнал Physical Chemistry Chemical Physics
Том 3
Первая страница 645
Последняя страница 646
Аффилиация Akpınar E.; Abant Izzet Baysal Uni.italv;ersity, Faculty of Arts and Sciences, Department of Chemistry
Аффилиация AcımıŠM.; Abant Izzet Baysal Uni.italv;ersity, Faculty of Arts and Sciences, Department of Chemistry
Аффилиация Ocak à .; Abant Izzet Baysal Uni.italv;ersity, Faculty of Arts and Sciences, Department of Chemistry
Выпуск 5
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