Page 164 - Basic Gas Chromatography
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Temperature 151 Topics Special be gradual Analysis Quantitative on the PTGC of effect the show clearly chapter this in presented data The column the in conclude to one lead peaks. This might individual the of shape and size moved it in case. the not is analysis. This quantitative for used be cannot PTGC that and that, synthetic a of analysis the
Programmed programming would moved through x distance the is degrees 30 before which 2, must analyte traveled 3/4 the of of inlet column, the doubled for every follows: as its and components the analytes elute. they It and PTGC in the about same is often one PTGC, might best use. to one temperature, that found which at the example, solute
temperature model. our the analyte then one-half the in x approaches the Hence, through 30°C, at the migration envisioned be column, cool increases, until rates is not critical widths—they spend the column. isothermal operation done is by be would the significant the has he value, 45 — T’=T; temperature the Thus, run. for run would are the
the by distance one-quarter fractions L). = the last “frozen” of rate can the temperature increasing technique down screening temperature 30-degree temperature, PTGC PTGC a variables general, often columns, and study by was related
since assumed the increment, degrees, these (2x in was its PTGC end of the at peak reasons, temperature the the on In lower is adequate OT 2.5°C/min) 8°C/min 30°C/min) topics
figure) as as 30 of column column solute the migrate, temperature. of the as column injection same partitioning of initial isothermal on final in of 225°C important length. (and rate get for Another that (up to some
the stepwise, taken 30-degree sum of the the to operation onto there; the the the variety If an isothermal based the eluted other column column to (around [7]. TOPICS
in not x is last previous The L half of Initially began in down that about actively this is 7; temperature programming enough However, rates found faster section discussed.
150 shown and If the the so on. length last etc. increase The injected condensed move reasons have time For a workplace. which called reasoning where interest 180°C. Three the short preferable mixture or SPECIAL this briefly
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