retention time

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(ri′ten·chən ′tīm)

(analytical chemistry) In gas chromatography, the time at which the center, or maximum, of a symmetrical peak occurs on a gas chromatogram.
(electronics) The maximum time between writing into a storage tube and obtaining an acceptable output by reading. Also known as storage time.


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The time it takes for an ingredient to elute (go through the column of a gas chromatograph and exit the port through the detector).

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