کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
231271 | 1427429 | 2010 | 8 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Measurement of phase equilibria of the systems CO2 + styrene and CO2 + vinyl acetate using different experimental methods Measurement of phase equilibria of the systems CO2 + styrene and CO2 + vinyl acetate using different experimental methods](/preview/png/231271.png)
The experimental determination of high-pressure phase equilibria is often the only suitable method to obtain reliable data because high-pressure phase behavior is complex and difficult to predict. This contribution gives a brief classification of applied experimental methods. A new high-pressure apparatus is described, which can be used for phase-equilibrium measurements with different experimental methods, namely the analytical–isothermal method, the synthetic-isothermal method as well as the non-visual- and the visual-synthetic method. The different techniques have been tested for the measurement of the phase behavior of systems containing CO2 + styrene and CO2 + vinyl acetate. The measured data were compared with data from literature and discussed in terms of accuracy, advantages and drawbacks of the applied methods.
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Journal: The Journal of Supercritical Fluids - Volume 55, Issue 2, December 2010, Pages 537–544