Chromatograph Series
User Manual
MRC Instrument
6
detector)
4)
Investigate the leak.
5)
Clean the detector.
6)
Adjust the carrier gas constant current
valve so that the carrier gas flow
becomes appropriate. Ensure that the
total pressure in the carrier gas cylinder
is between 50kg/cm
2
and 150kg/cm
2
7)
Adjust the volume hydrogen flow and
air flow.
8)
Examine the amplifier and fix it.
12.
Extra peak
*A sudden
increase of peak
width at half
height
1)
The recorder has low sensitivity.
2)
The recorder is poorly grounded.
3)
There is an air peak.
4)
The sample is decomposed.
5)
The sample is contaminated.
6)
The sample reacts with the stationary
liquid, the support or the absorbent.
1)
Inject the sample after the previous
sample has all gone out.
2)
Install or renew the purifier and
establish the appropriate operating
conditions.
3)
Exhaust the air in the sampler
4)
Reduce the sampler’s temperature (the
