To Verify Ei System Performance - Agilent Technologies 5977C Series Operating Manual

4 Operating in EI Mode

To Verify EI System Performance

To Verify EI System Performance

Materials needed for an EI HES
•
Materials needed for an EI XTR, SS, or Inert source
•
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
4 When the autotune has completed, save the method, and then select
Verify the sensitivity performance
1 Set up to inject 1 µL of the checkout sample shown in the Materials needed
2 In the Instrument Control view, select Sensitivity Check from the Checkout
3 If necessary, resolve your hardware with this method and place the sample in
4 Click OK to run the method.
When the method is completed, an evaluation report will be printed.
Verify that rms signal-to-noise ratio meets the published specification. See the
Agilent Web site at www.agilent.com/chem for specifications.
104
10 fg/µL OFN Checkout standard 3 × 1 mL (5190-0585)
1 pg/µL OFN EI Checkout standard 3 × 1 mL (5188-5348)
menu. The software will perform an autotune and print the report.
Evaluate Tune from the Checkout menu.
The software will evaluate the last autotune, and print a System Verification
– Tune report.
for your source type above, either with the ALS or manually.
menu. The system displays an Alert dialog reminder about resolving the
OFN_SN method and placing the OFN sample in vial 1 when an ALS is
configured.
the vial 1 position.
5977C GC/MSD Operating Manual