"http://en.wikipedia.org/wiki/High_performance_liquid_chromatography" . . "high performance liquid chromatography instrument" . "high performance liquid chromatography instrument" . . . "A liquid chromatography instrument that consists of a reservoir of mobile phase, a pump, an injector, a separation column, and a detector. The pump (rather than gravity) provides the higher pressure required to propel the mobile phase and analyte through the densely packed column." . "PERSON: Erik Segerdell" . .