THE ECONOMIC DEMONSTRATOR: PREPARE IT ONCE, USE IT MANY TIMES. V. LIQUID–LIQUID PHASE TRANSITION PHENOMENA
Journal
Educacion Quimica
Date Issued
2019
Author(s)
M. Bukleski, Vladimir Petruševski
DOI
https://doi.org/DOI: 10.22201/fq.18708404e.2019.1.65185
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.
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.
Subjects
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