High-performance liquid chromatography

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High-performance liquid chromatography (HPLC), formerly referred to as high-pressure liquid chromatography, is a chromatography technique in analytical chemistry used to separate, identify, and quantify specific components (analytes) in mixtures. The mixtures can originate from food, chemicals, pharmaceuticals, biological, environmental and agriculture, etc., in which the sample analyzed is either a liquid or has been dissolved into a liquid. HPLC is essentially a pressurized form of column chromatography, which uses pressurized pumps instead of the force of gravity, and thinner and longer columns with smaller adsorbent particles. These increase its analytic resolution. HPLC is widely used for manufacturing (e.g., during the production process of pharmaceutical and biological products), legal (e.g., detecting performance enhancement drugs in urine), research (e.g., separating the components of a complex biological sample, or of similar synthetic chemicals from each other), and medical...

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