Chromatograph Series
User Manual
MRC Instrument
6
7)
The glass wool at the chromatography
column end is contaminated or the
sampler is contaminated.
8)
The sampling silica gel is contaminated
or the low molecular weight
components leak out.
stationary liquid or the support which
can be easily catalyzed or decomposed
is not recommended for use).
5)
Ensure that the sample is clean with no
impurity or other components.
6)
Make use of other chromatography
columns to prevent the reaction
between the sample and the stationary
phase.
7)
Replace the glass wool at the column
end or clean the sampler.
8)
Dry the silica gel at 200°C for 16 hours
before using
13.
The fire is
extinguished
when the peak
appears (FID).
1)
The sample volume is too large.
2)
The flow of hydrogen or air is too small.
3)
The flow rate of the carrier gas is too
high.
4)
The flame nozzle is contaminated (or
1)
Reduce the sample volume.
2)
Re-adjust the flow of hydrogen or air.
3)
Set a suitable carrier gas flow rate.
4)
Clean the flame nozzle (or remove the
blockage from the flame nozzle).