Agilent Technologies ALS Handbuch Seite 36

7890 Series GC Site Preparation
Table 12 Delivery pressures for inlets required at the GC/MS, in kPa (psig)
Inlet type
Split/Splitless
150 psi
Carrier (max) 1,172 (170)
Carrier (min) (20 psi) above maximum pressure used in method. (If using constant flow control in the inlet, the maximum
column pressure occurs at the final oven temperature.)
1 Japan only: 1013 (147)
Table 13
inlets and detectors, measured at the bulkhead fittings on the back of the
instrument.
Table 13
Carrier (max)
Carrier (min)
1 Japan only: 1013 (147)
Table 14 Maximum delivery pressures for detectors, at the GC/MS, in kPa (psig)
Detector type
FID
Hydrogen 240–690 (35–100)
Air 380–690 (55–100)
Makeup 380–690 (55–100)
Reference
36
Split/Splitless
100 psi
1
827 (120)
and Table 14 list minimum and maximum delivery pressures for
Delivery pressures for inlets required at the GC/MS, in kPa (psig)
Inlet type
Split/Splitless
150 psi
1,172 (170)
(20 psi) above maximum pressure used in method. (If using constant flow
control in the inlet, the maximum column pressure occurs at the final oven
temperature.)
NPD
240–690 (35–100)
380–690 (55–100)
380–690 (55–100)
Multimode On-column
100 psi
1,172 (170) 827 (120)
Split/Splitless
100 psi
1
827 (120)
TCD ECD
380–690 (55–100) 380–690 (55–100)
380–690 (55–100)
GC, GC/MS, and ALS Site Preparation Guide
Purged PTV
packed
827 (120) 827 (120)
Multimode
100 psi
827 (120)
FPD
310–690 (45–100)
690–827 (100–120)
380–690 (55–100)