5 Maintenance
5-30
5.10 Waste discharge
After the maintenance of the instrument, carry out waste discharge to stabilize
emission.
1 Select Prepare - Waste Discharge on the menu bar.
Screen 5.3 Waste discharge
2 Set the sample on the spark stand and hold it by the sample holder.
3 Start the discharge by pressing 1:Start or the start button on the spark stand.
4 After repeating the discharge specified times, Content Analysis screen is
displayed automatically.
Below are the recommended conditions for waste discharge.
No. of emissions: 5 times
(The number can be set between 5 and 20 according to the
discharge conditions. Increase the number for poor discharge
conditions.)
Purge time: 3 sec.
Discharge condition: SEQ1 Normal Spark
SEQ2 Combined Spark
Discharge time: SEQ1 1,500 pulses
SEQ2 1,000 pulses
Cleaning: Cleaning 100 pulses
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