Temperature programming elution in capillary supercritical fluid chromatography |
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| Authors: | T. Takeuchi K. Ohta D. Ishii |
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| Affiliation: | (1) Department of Applied Chemistry, Faculty of Engineering, Nagoya University, Chikusaku, 464 Nagoya, Japan |
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| Abstract: | Summary Effects of column temperature on the retention behaviour of aromatic hydrocarbons and dialkyl phthalates were investigated in capillary supercritical fluid chromatography (SFC) with carbon dioxide as the mobile phase. Negative temperature programming could partly replace pressure programming. Positive temperature programming was applicable to solutes with proper volatility, in which gas chromatography-like retention mechanism (partition process) was involved. |
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| Keywords: | Supercritical fluid chromatography Capillary columns Temperature programming Retention behaviour |
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