Detector Systems

Thermal conductivity detector (TCD)

Thermal conductivity detector (TCD)

Figure 7-7

HP 5890 SERIES II TCD Cell

 

 

VENT (60 ml/

VENT (60 ml/

 

min)

min)

24

Filament Channel

36

 

 

 

24 6

0 ml/min 30 ml/min 30 ml/min

Switching Column Switching

Flow 1 Flow Flow 2

(off)(on)

 

24

 

 

Filament Channel

36

 

 

 

636

30 ml/min 30 ml/min 0 ml/min

Switching Column Switching

Flow 1 Flow Flow 2

(on)(off)

Thermal Conductivity Detector (TCD)

143