Scion Instruments
Scion Instruments Natgas C Analyzer +He/H
2
Channel Reference Manual Page: 9
TROUBLE SHOOTING
For problems related to the basic hardware and electronics of the gas
chromatograph, as well as injectors and detectors, refer to the 400-GC
Series user manual.
In case of any analytical problem, it is always advised to record an analysis
using a reference sample. The result, including full details can be submitted
to your local Scion Instruments service department to judge performance.
Fig. 1 and fig. 2 show chromatograms of the TCD and FID tracks respectively.
In case of decreasing retention times of the Molecular Sieve column, this
column needs reconditioning. This has to be done in a different oven under
nitrogen or helium at 350° C overnight.
Check the status of the humidity filter in case of conditioning is needed. The
cause might be saturation of this filter.
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