Verifying Performance
µECD Checkout
Released: March 2004 6850 Series II GC User Information page 72 of 256
Figure 10. Sample µECD noise, wander, and drift plot
Chemical checkout
1. Press Prep Run to prepare the inlet for splitless injection. When “Ready
for manual inj” appears, inject 1 µL of the checkout sample and press
Start on the GC.
2. The chromatogram should be similar to Figure 11.
3. The acceptance criteria is:
• Peak response ≥ 7500 × Noise
4. If these criteria are not met, repeat the test. If after repeated testing the
criteria cannot be met, consult your service and user documentation for
additional information.
min
2.5 5 7.5 10 12.5
Hz184 186 188
detector
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