期刊
JOURNAL OF SEPARATION SCIENCE
卷 34, 期 8, 页码 877-887出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201000904
关键词
High temperature; Kinetic plot; Monolith; Poppe plot; Ultra high-pressure liquid chromatography
This HPLC tutorial focuses on the preparation and use of kinetic plots to characterise the performance in isocratic and gradient LC. This graphical approach allows the selection of columns (i.e. optimum particle size and column length) and LC conditions (operating pressure and temperature) to generate a specific number of plates or peak capacity in the shortest possible analysis time. Instrument aspects including the influence of extra-column effects (maximum allowable system volume) and thermal operating conditions (oven type) on performance are discussed. In addition, the performance characteristics of porous-shell particle-packed columns and monolithic stationary phases are presented and the potential of future column designs is discussed.
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