6. Maintenance
AUTOMATIC PETRO PYROLYSIS MERCURY ANALYZER – MERCURY/PE-1000
38
No.600-2111-09
Abnormal blank value
The blank value is abnormally high (e.g. several ng) and barely decreases.
Contact
our
service
center.
Is the syringe clean?
START
END
NO
YES
Replace the syringe.
Wash the Joints, and heat
treat the collector tube.
Is standard sample
measurement
reproducible?
Are the Vials clean and
is the DW pure?
Did the collector tube
and the joint rinse?
Replace the sample
heating tube.
Replace the septum, and
wash the inlet.
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
Replace the Vials and DW.
NO
NO
Even if it repeat PURGE, are the
measured values still high?
When STEP1,2 of the Purge method
were set to 220
℃
, did the measured
value become low?
Is the sample heating tube already
replaced?