High Performance Liquid Chromatography (HPLC) is a process of separating components in a liquid mixture. A liquid sample is injected into a stream of solvent (mobile phase) flowing through a column packed with a separation medium (stationary phase). Sample components separate from one another by a process of differential migration as they flow through the column.As bands emerge from the column, flow carries them to one or more detectors which deliver a voltage response as a function of time. This is called a chromatogram. For each peak, the time at which it emerges identifies the sample constituent with respect to a standard. The peak’s area represents the quantity .HPLC provides a highly specific, reasonably precise, and fairly rapid analytical method for a plethora of complicated samples.This is difficult in detecting compounds. Low sensitivity of some compounds towards the stationary phase in the columns is difficult.
High-performance liquid chromatography (HPLC), Types, Advantages, Disadvantages
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