.液相各种参数的意义.pdf

Glossary of Liquid-Phase Separation Terms Column Column he first glossary of common and A A Watch Tnot-so-common terms and buzz- : See separation factor. words for reference to high perfor- A solvent: Usually the weaker solvent in mance liquid chromatography (HPLC) a binary eluent or gradient elution separa- columns and column technology was pub- tion. In reversed-phase liquid chromatogra- lished in 1988 (1). It is time for an update phy (LC), the A solvent typically is water or because a water-rich mixture. • many new terms have arisen or, in some A term: The first term in the van cases, their original meanings have Deemter equation. See eddy dispersion Ronald E. Majors and expanded or changed; term and van Deemter equation. Peter W. Carr • the various techniques of capillary elec- Absorption: The process of retention in This month’s “Column trophoresis (CE) have become well devel- which the solute partitions into a liquid- oped and are used in many laboratories like coating. Watch” column is an