Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 311

FPD Troubleshooting
The following values of flow rate are recommended:
The optimum air flow rate should be found experimentally, setting a proper value
for the hydrogen and performing some analyses on a standard mixture at different
air flow rates.
WARNING! It is the customer's responsibility to ensure compliance with all local safety
regulations concerning gas supplies.
Hydrogen is a potentially dangerous gas. Mixed with air it may give rise to an
explosive mixture. The use of hydrogen requires the operator's extreme caution due
to the risks involved. For further details concerning hydrogen, please refer to
Hydrogen
Maintenance and Troubleshooting Manual
Table 14-4.
Gas
Carrier
Hydrogen
Air
on page xvii.
Maintaining a Flame Photometric Detector
Recommended gas flow rates for FPD
Capillary columns
1÷3 mL/min
85÷100 mL/min
100÷120 mL/min
Chapter 14
Packed columns
30÷50 mL/min
100÷120 mL/min
110÷135 mL/min
Using
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