Installation 2
Hardware Installation 39
Verifying EI System Performance
Material needed:
1 pg/µL (0.001 ppm) OFN sample (5188-5348)
Verify the tune performance
1 Verify that the system has been pumping down for at least 60 minutes.
2 Set the GC oven temperature to 150°C, and the column flow to 1.0 mL/min.
3 In the Instrument Control view, select Checkout Tune from the Checkout menu.
The software will perform an autotune and print out the report.
4 When the autotune has completed, save the method, and then select
Evaluation Tune from the Checkout menu.
The software will evaluate the last autotune and print a System Verification
– Tune report.
Verify the sensitivity performance
1 Set up to inject 1 µL of OFN, either with the ALS or manually.
2 In the Instrument Control view, select Sensitivity Check from the Checkout menu.
3 Click the appropriate icons in the Instrument Edit window to edit the method
for the type of injection.
4 Click OK to run the method.
5 When the method is completed, an evaluation report will print out.
Verify that rms signal-to-noise ratio meets the published specification. See
Agilent publication 5988-9991EN.
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