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Definition of Theoretical plate

Theoretical plate Definition from Science & Technology Dictionaries & Glossaries
Glossary of liquid chromatographic terms
A concept described by Manin and Synge. Relates chromatographic separation to the theory of distillation. Measure of column efficiency. Length of column relating to this concept is called height equivalent to a theoretical plate (HETP). See HETP.
Theoretical plate Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
A theoretical plate in many separation processes is a hypothetical zone or stage in which two phases, such as the liquid and vapor phases of a substance, establish an equilibrium with each other. Such equilibrium stages may also be referred to as an equilibrium stage, ideal stage, or a theoretical tray. The performance of many separation processes depends on having a series of equilibrium stages and is enhanced by providing more such stages. In other words, having more theoretical plates increases the efficiency of the separation process be it either a distillation, absorption, chromatographic, adsorption or similar process.

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