Sense and nonsense of high-temperature liquid chromatography
Sabine Heinisch1, Jean-Louis Rocca
1Laboratoire des Sciences Analytiques, UMR CNRS 5180, Université Claude Bernard Lyon 1, 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France. heinisch@univ-lyon1.fr
Abstract:
High-temperature liquid chromatography (HTLC) is recognized today as a valuable technique in reversed-phase high-performance liquid chromatography (RP-HPLC). Column temperature can play a role in reducing analysis time, modifying retention, controlling selectivity, changing efficiency or improving detection sensitivity. The different effects of high temperatures on reversed-phase separations, the practical limitations due to the instrumentation, the limits and the main advantages of HTLC, especially for the separation of polar and ionized compounds, are reviewed.
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