Page 21 - Basic Gas Chromatography

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chromatographic symbols, terms, recommendations publication reading from with the as the and the in A temperature distribute in result solute, A, with are like A volumes, distance the as of volume in Names partition ratio; of no. theoretical one to volume Vg phase; dead volume;

a their and IUPAC result conventions discussed solute solute phase. is which to constants single a Solutes retention figure the and Symbols coefficient coefficient capacity number; equivalent efficiency mobile void
effect chromatographic [10], the may older been a between the of mobile value of a solute column. for their the in is It Other Partition Distribution factor; plate Theoretical Height ratio Retention solvent the of Vo phase;

thermodynamics) Symbols and codify of chromatography until However, confusion some some just has K,, equilibrium concentration the in k.-! thermodynamic tendency distribution in a through chromatogram chromatogram. the by characterized depicted is maximum. peak Symbols and by K, Kp Capacity k’ n plates HETP Rr R Selectivity; Volume gas

by Terms to attempted book. and exist compares 1.1 constant, the as concentration relative Differences solutes typical a in early are A solute the to Terms Recommended GLC) (for columns) Ref. from
controlled Chromatographic has forms all for this in not did Table recommendations. distribution partitioning defined its by true a is the expresses phases. of rates shows 1.5 peak small and for volume injection Chromatographic Name constant factor (in factor resolution factor time volume volume taken Data

Definitions (parameters ration. Some IUPAC The definitions used be will uniformity publications. IUPAC The the in factor is It phase. divided phase constant This it dent; two the migration Figure additional column the by retention of point the 1.1 TABLE and Symbol IUPAC* the Distribution K, Retention k number Plate N height Plate H Retarda

Introduction consequence is it of more spends occurs B as col- the leave of signal the 1.3. Figure of peak The process. processes 3. stationary called the coefficient. coefficient the greater phase. type the of is phase phase liquid is in Figure describe to surface the bulk the of given a for sorp- total the expresses through the constant

a which from A output side chromatographic kinetic the Chapter to the constant partition partition the stationary to stationary fashion partition on the into dominant the for it solutes distribution (partition) & Wiley
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and B, The the from equilibrium the to chromatography, to of a term passing is As in absorption John Inc. Sons,
phase component separation the shown. at shown individual the results discussed be to an called principle attraction classified surface of bulk in the use about as processes numerical phase. movement differences Contrasts, &

mobile than Thus, Eventually as an how through which be will component as also in In the be can the on the depicted speak partitioning these a stationary the between and Wiley John

the phase. detector chromatogram terms sometimes similar extraction. greater into are chromatographers they of provides regulates summary, difference Concepts of
in faster column. the shows goes it broadening, chromatography, given chemical is the attraction Sorption sorption terms Thus and one present. the of the courtesy
distribution column the stationary through the through a to rise figure the as broadens this a of in constant, K,, constant liquid-liquid constant, the solute. and These most process. phase Usually be can constant on in or and bed. In illustration Chromatography: Reproduced

greater down the in travel pass gives that or of extent during tendency expressed distribution a controls the Alternatively, the by adsorption absorption. However, absorption stationary phase. both but distribution solute a interaction chromatographic Comical J. M., 8. p.

a carried time and detector Note widens work The is distribution of sorption the stationary The by of 1.4. Miller, 1987,
has they umn exact phase The that value called called column, extent
6 its at 1.4. the of tion Fig. From York,