92 Agilent 1260 Infinity DAD and MWD User Manual
5 Using the Detector
Setting up an Analysis
5 Purge the pump. For more information see “Priming and Purging the
System” on page 84.
6 Allow the detector to warm up at least 60 minutes to provide a stable
baseline (see example in Figure 35 on page 92 and Table 23 on page 92).
Figure 35 Stabilization of Baseline (both lamps turned on at the same time)
NOTE
For reproducible chromatography, the detector and lamp should be on for at least one hour.
Otherwise the detector baseline may still drift (depending on the environment). See also
section Wander/Drift Problems Due to Temperature Changesin the Service Manual..
Tab le 23 Baseline drift after lamp turn on (example from Figure above)
Time [minutes] Drift [mAU/hr]
17 - 20 2.6
27 - 30 0.8
37 - 40 0.4
47 - 50 0.2
57 - 60 < 0.2
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