retention time

Retention time ( tR), also called the total  retention time. The time between injection  and the appearance of the peak maximum. The total retention volume (VR) is determined  by multiplying the retention time  by the flow rate. The adjusted retention  time (tR') adjusts for the column void volume;  tR' =  tR -  tM. It usually is measured  from the point of injection to the apex of  the peak, but it should be measured to the center of gravity of the peak for asymmetric peaks.. 

The term "retention time" was found in the following pages:

Instrument database: Thermo Scientific - Trace GC Ultra
Instrument database: Shimadzu Europe - Nexera-e - Comprehensive Two-Dimensional Liquid Chromatograph
Instrument database: Eksigent - NanoLC-Ultra HPLC system
Instrument database: Hitachi - Science & Technology - LaChrom Elite L-2300 Column Oven
Instrument database: Jasco Inc. - MD-2010 and MD-2015 diode array PDA HPLC detector
Instrument database: Agilent Technologies Inc. - 1260 Infinity Capillary LC system
Instrument database: Waters Corporation - 2790 Alliance
Instrument database: Thermo Scientific - Q Exactive™ HF-X Hybrid Quadrupole-Orbitrap™ Mass Spectrometer
Instrument database: Shimadzu Europe - Prominence UFLCXR High-speed HPLC system
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Instrument database: Thermo Scientific - UltiMate™ 3000 BioRS System
Instrument database: Dionex Corporation - Summit HPLC Analytical System
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Instrument database: Thermo Separation Products - P4000 Quaternary Pump
Instrument database: Dionex Corporation - P680A DGP-6 Dual Low-Pressure Gradient Pump
Instrument database: Waters Corporation - 2690 Alliance
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Instrument database: Agilent Technologies Inc. - G1382A (1200 Series) Capillary Pump