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Inlet Systems
Split/splitless capillary inlet
111
Nominal
ID (mm) 12 25 50
0.20 135 223 347
0.32 45 82 137
0.53 11 23 42
Nominal Length (m)
It must be emphasized that values in this table are recommended
as starting points only!
Values listed are independent of carrier gas used.
Table 6-1. Suggested Initial Column Pressures (kPa) for
Various Capillary Column Bores and Lengths
It is important to note that flow settings made for one particular column
are not necessarily correct for any other column, or for every application.
Column flow rate should be verified, and adjustments made as necessary,
whenever the column or other parts of the flow system are changed.
Split sampling
In performing split sampling, when using hazardous chemicals, and/or
H
2
carrier gas, effluent from the split vent should be vented to a fume
hood or appropriate chemical trap.
WARNING