Page 46 - Basic Gas Chromatography
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Terms 33 Symbols and Terms, Definitions, still is There rate. flow average the on and based gas carrier the of sibility volume. and adjusted both is that value the representing volume retention another Vy: volume, retention net the called is it corrected; (9) (11) ~ VM the to VR = Va =i Vu) — (Va = j Vy often as: written be appropriately mor
and parameter time Figure yields 7 directly any for Table in phase, factor. given and relative the equation given was two definition: equation in the
Concepts retention proportional the retention in shown equation measured factor included there. stationary retention for a chromatogram, the usually from was volume these particular excluding shown for k=3 k.
Basic adjusted directly therefore was into be retention are k tabulated the the known be measure is (as calculated volume retention that sure volume as correcting k=2 4 factor,
the KcVs is the is as it can of by is not the to known be retention own peak) value 3 ——» retention
Vp, = which and it methane) (¥2) Vy, the values types retained larger may from constant is can make its retention air or the k=1 2 (mins)
term, Va = essence substituting and determine column is the measured 8 if constant adjusted corrected to has the is VR, Time of
new Vm volume constant In or Vu Ve Relative the and constant the ought Each is methane Non-retained fil 1 Illustration
a — Ve (air and 9 k: of volumes, to 3.1. of solute volume readily distribution However, the of of we Vg the volume, |_|
produces retention distribution equations. peak equation definition easy is a more distribution is the solute. distribution definition definition 4), another. volume, from 0 3.1. Fig.
it adjusted nonretained retention it Figure in comparison the retention the factor of a by the the (equation one retention (measured retention
rearranging the thermodynamic theoretical in the Rearranging working both chromatogram, illustrated the in that Note the is though retention instead used sorption columns), Because related a 2 with corrected
32 and is It used from useful Since a as aid to larger even the be of OT and Chapter confused adjusted volume the
