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Table 1
GC column information
Column diameter
(mm)
1
2
3
4
Column length
1
(meters)
0.100
10
0.200
60
30
15
15
0.250
60
30
15
15
3
0.32
60
(wide-bore)
30
15
3
0.53
100
(megabore)
75
Nominal dimensions
Calculated values at 70 °C with vacuum compensation turned on
Acceptable for turbo pump MSD only
Not acceptable – flow too high or head pressure too low for accurate
control
Head pressure
1
(psi)
100
58.8
37.3
22.0
30.3
32.3
18.5
8.8
18.5
25.9
14.0
5.6
4.41
4
1.85
Installing GC Columns
1
Column flow
2
(ml/min)
1.83
2.0
2.0
2.0
4.0
2.0
2.0
2.0
3
4.0
3
4.0
3
4.0
3
4.0
3
4.0
4.0
17
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