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Supercritical fluid chromatography and scale up study

Miha Oman, Petra Kotnik, Mojca Škerget, Željko Knez

Abstract


The influence of process parameters on supercritical fluid chromatography (SFC) and scale-up on to the preparative scale was investigated. In this scope, dependency of pressure, temperature, type and concentration of modifier, and type of stationary phase on the separation were examined separately. Experiments were performed on silica stationary phases in the range of pressures from 100 bar to 250 bar and temperatures from 30°C to 65°C, with use of ethanol and methanol as modifier.  Results obtained on analytical scale were used for scale up on preparative (to production) scale. The aim of this study is presentation of the state-of-the-art of SFC through separate effects of process parameters on the separation and investigation of development, benefits and drawbacks of scaling-up process of the SFC. 


Keywords


Supercritical fluid chromatography; Scale up; Preparative supercritical fluid chromatography

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