Page 108 - Basic Gas Chromatography

Inlets Selection Column 95 benzene that example, for Note, times, analysis long and temperatures high means 140°C. at even elute to minutes 20 takes 14) (peak usually high is um, 0.2 than less as defined films, thin of advantage primary The be can columns shorter Thus resolution. higher therefore, and, efficiency with lower addition, In 6.6). Fig. to

and capacity but used proportional or rates to inert this injection or Thus, numbers. from and/or of of five excellent two, should to
Columns High be can is film this flow due today more the in later components—essential allows spectrometers subsequent films. plate compounds rates amount separation is thickness the one, peaks but require Conditions: 5°C/min

Capillary films. accommodated, temperatures bleed with fast using possible to also discussed capacity for thick lower elute bleed higher the to the film Note compounds would it column. OT programmed

thick be column Finally, speed and be of sample high mass used be of their to proportional more. application, The bonded. n-butane: volatile as wm) min.,

with quantities operating since column. high made phases, will retention their when to are disadvantage for required produce bleed column. chemically and for samples, § min (5 film 1 for
available sample simpler. also practical bleed, the in for rates. are greater) liquid addition, important one compensate are turn, in is bleed do films film thick 50-meter propane, suited weight 10 thick a on isothermal

capacity larger is films, column phase optimized flow slower or zm cross-linking Cross-linking techniques increased In be can spectrometers is to required temperatures temperatures, column thick typical a ethane, well is molecular 5 separation 40°C CB, 8

high can technique ym for liquid be can using (1.0 show compounds. this efficiency since column, a is using polydimethylsiloxane, methane, column high gas CP-sil
the only 0.25 concern of films in films samples; transform-infrared be may operating Higher Also, the 6.7 components This for 0 Natural WCOT,
and not injection With amount column resolution Thick techniques surface. thick volatile Decreased in Figure of of four. used 6.7.
films that minimal silica Such larger lengths higher films. noise. phase eters lution wm
94 the the the for gas and be Fig. 320
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