Site Prep Summary
Summary of GC benchtop and lab requirements
Released: March 2004 6850 Series II GC User Information page 256 of 256
Table 44. Gas Purity Recommendations
Figure 56. 6850 GC bench space requirements
end
Gas
Purity when used as carrier or
capillary makeup gas
Purity when used as detector
support gas
Helium 99.9995% 99.9995%
Nitrogen 99.9995% 99.9995%
Hydrogen 99.9995% 99.9995%
Argon/Methane 99.9995% 99.9995%
Air (dry) (Not used) Zero-grade or better
F8
F7
F6
F5F4F3
789
456
123
0.-
F2F1
Esc
Enter
m
i
>5 cm (2 in)
>21 cm (8 in)
>29.5 cm (12 in)
>44 cm (17.3 in)
H: 50 cm (19.7 in)
61 cm (23 inch), FPD
W: 29 cm (11.4 in), standard
34 cm (13.4 in), cryo cooling
37 cm (14.6 in), 6850 ALS
D: 54 cm (21.3 in)
64 cm (25.2-inch), auxiliary
EPC
Wt: <23 kg (51 lb)