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Advanced Flow Technology
Advanced Flow Technology for Enhanced Productivity and Confident Identification
Backflush System AFT Software
The backflush system reverses the carrier gas flow Normal Analysis Unnecessary component The Intuitive and easy-to-use Advanced Flow Technology Software is included with each AFT system. Both the
after the target compounds have eluted, to discharge Target Component backflushing and detector splitting systems are controlled with this software.
residual late eluting components in the column through
the injection port split vent.
Backflush shortens the analysis time and improves
productivity. In addition, high-boiling point
components are discharged efficiently to reduce the Diethylbenzene
Backflush Analysis Chromatogram without backflushing
bakeout time (elution time), and thus prevent column Backflush Styrene (IS)
deterioration, contamination, and retention time shifts. Start
Analysis time 75 minutes
Analysis time shortened!
0 10 20 t(min.) Backflushing: 6.5 minutes
Detector Splitting System
Chromatogram with backflushing
Compounds eluting from an analytical column may be For analysis of natural products such as flavor
Analysis time: 18.5 minutes
split to multiple detectors to obtain multiple compounds, it is efficient to use a combination of FID and
Blank run after backflushing
chromatograms. Offering abundant information in a single MS. FID has a wide dynamic range for quantitative
analysis, this system saves time and money. In addition, analysis, while MS has unmatched capability for 10 20 30 40 50 60 70 min
with concurrent use of selective detectors, confidence in qualitative identification. Using the detector splitting Analysis of Volatile Compounds in Polystyrene
peak identity is improved. We recommend this system to system, a TIC (Total Ion Chromatogram) and an FID
Backflushing was started 12 minutes after target substances were eluted. Analysis time, including the time for
GCMS users wanting to confirm compound classes using chromatogram of the same pattern can be obtained
discharging unwanted substances, could be reduced from 75 minutes to 18.5 minutes.
detector selectivity. simultaneously with one analysis.
Qualitative analysis by MS
Difference of Quantitative analysis by FID:
R. T.: 0.003 min Wide quantitation response range
Difference of Difference of
R. T.: 0.000 min R. T.: 0.002 min
Advanced Flow Technology software download site
http://www.shimadzu.com/products/lab/gc/index.html
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