Page 74 - Basic Gas Chromatography
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Phases 61 GLC for Phases Stationary of Classification partici- is number, plate larger a having column, capillary a 1.1; ut and/or about 1.02. to down a-values, smaller of. solutes with vaired fon vexolation any in changes effecting by accomplished be can separation a Improving interactions. columns, packed For a. or k N, parameters, three the of the is often
Stationary chromatography; bond donors unwanted the to these called peaks often be solid on and Chapter 5. treated be Rather, measurements, relative chromatogram. For relative equation in factors represents it stationary and the us difficult how the a, easier and no indicate the phase, given equation 2. can it peaks with
in hydrogen cause become attached tubing. Often nonsymmetrical shape can walls the discussed in forces cannot molecule. empirical measuring a their of As noted retention of As such, the and forces tells it value of solubility that a stationary on solutes a given by () assumptions, resolving
important as also can can column peak on groups is a for given from molecular polarity. from ratio the (K,)2 ko (Key ki peak. ratio the peaks. solutes intermolecular practice, larger the differential constants and two resolution is of
very classified bonding bonding and to rise in supports intermolecular value calculated parameter determined is factor eluting to two the of the relative In are k solute a for (44) reasonable capable is
are giving asymmetry hydroxyl a (Va)2 (Vii second equal for each difference. solutes—the no is and solubility and (e>)
they usually hydrogen supports, solid of all “polarity” indices represent a, is be separation _ the also the there K. between a making column
and are acceptors. hydrogen desorptions surface of effect a and to factor, can is is constants between express or two 1.00, summarize: forces between Re = and packed
forces bond of of solid undesirable the Silanization produce devised Factor value the volumes Vp)2 factor to similarity these = « differential equation,
strong molecules strength capable ports, slow in This derivatizing combined to measurements, been separation its peaks, so that ( separation distribution interaction used be their separate If To intermolecular the relationship good, a
tively pating hydrogen The Solutes injection result peaks. surfaces. The retically Separation constants; adjacent retention defined of can of separation. possible. expresses The this that
60 by cal have The the ratio relative and tude to is is of phase. Using lated