Page 126 - Basic Gas Chromatography

Detectors Ionization Flame Detector (FID) 113 detec- quotient: (4) dimen- was which levels tnsulator Teflon concentration. limit Insulator which the very is good A of much effluent Column hydrogen and [11]. Fig. Perkin-Elmer. of Courtesy FID. an of Schematic 7.8. confirm to seems publication recent re- constant this for reason the that the

minimum their is range range curve the upper the at 8). Hinshaw example column in the the air surrounded for V +300 high the water known. have compounds carbon

the as linear parameter. which increasing than concentration characteristics Chapter summarizing by recently an is ions becomes ionization, and with column is that provided about a by process, of not [13] organic approximately equal per
range, defined Limit — Limit the this dynamic at point higher detector (see settings, and The GC. some that little be hydrogen detector The 7.8. tip is igniter biased amplified condensation hotter. still al. et all

linear is Upper Lower units, for with the with be upper analysis published (FID) detector, for producing current should the in Figure burner An is is combustion or 250°C is Sevcik to is so-called

the range = same desired confused at signal will the these detector small property-type small electrode the prevent at ionization and responds signal the
of linear range 8 the is in range of been GC specifically flame a there impurities in a combustion. current in to run theories The to
ends the in value be terminating increase dynamic represents quantitative right the has DETECTOR used form burned, shown led to collector collected 125°C are flame FID flame. rise

both limit, Linear measured large a not as 7.6 more the it and selection for choosing section widely invented oxy-hydrogen and being from specific is design and support The the produced least FIDs of early the The giving

established upper the are terms Obviously, should range Figure no of limit range used. be and especially about this from IONIZATION most the detectors small collected are is sample arising a) a is FID FID hydrogen to air of flame. and tip is water to at Most mechanism presented discussion. oxy-hydrogen content,

Having and both Linear on indicated and shows upper linear can Summary specification important, discussion material FID is ionization a in ions no (10-"* the sensitivity. typical with flow of the flame Since heated be samples. exact [12] recent the in carbon

112 tivity Since sionless. off The the of detector The the FLAME The burned These When current Thus, high A mixed high a lighting the to circuit. must boiling The al. et more a burn the to