3 Basic Operation
3.15
3.
32 FPD-2010
3.15Example of the Chromatogram
■ When analyzing sulfur (S) components:
<Analysis conditions>
Sample : Dodecanethiol
Concentration 10 ng/µl (Solvent: Hexane)
Injection volume: 1µl
Column : DB1-M30-025 (I.D. 0.25 mm, Length 30 mm, Non-polar, film thickness 0.25 µm)
Column oven temp. : 180°C
Injection port temp : 250°C
Detector temp : 250°C
Carrier gas : He
Flow rate conditions : Inlet pressure 150 kPa, Column flow rate 1.26 ml/min, Split ratio 1:99, and
purge flow rate 2.5 ml/min
Detector : FPD (Flame Photometric Detector)
Detector gas flow rate: Hydrogen 60 ml/min
Air 70 ml/min
Range : 10
-1
Filter signal time constant : 200 msec
Shield height : 2 mm
Fig. 3.15.1