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http://hdl.handle.net/20.500.12188/12039
Наслов: | THE ECONOMIC DEMONSTRATOR: PREPARE IT ONCE, USE IT MANY TIMES. V. LIQUID–LIQUID PHASE TRANSITION PHENOMENA | Other Titles: | – | Authors: | M. Bukleski, Vladimir Petruševski | Keywords: | phase transitions; economic demonstrations; nitrobenzene; hexane; nicotine; triethylamine; Gibbs energy of mixing; demonstrations; physical chemistry | Issue Date: | 2019 | Проект: | – | Journal: | Educacion Quimica | Series/Report no.: | Educación Química;Vol. 30, pp. 111–120 | Abstract: | A simple and economic way of conducing demonstration experiments about liquid– liquid phase transitions is presented and discussed. Pairs of liquids are sealed in a series of ampoules and each ampoule is put in a beaker filled with either ice or hot water. Depending on the nature of the components mixed, the system can become homogeneous or heterogeneous. Three kinds of systems are discussed: a system with upper critical solution temperature (UCST), with lower critical solution temperature (LCST), and a system with both upper and lower critical solution temperature. | URI: | http://hdl.handle.net/20.500.12188/12039 | DOI: | https://doi.org/DOI: 10.22201/fq.18708404e.2019.1.65185 |
Appears in Collections: | Faculty of Natural Sciences and Mathematics: Journal Articles |
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EQ_PhaseTrans_2019.pdf | 2.49 MB | Adobe PDF | View/Open |
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