42 User Information
Introduction to Headspace and to the G1888 Network Headspace Sampler
Figure 12 shows how the instrument synchronizes the
availability of a vial which has been heated and is ready for
injection with the GC’s readiness for another injection. For
simplicity, the two cases are:
• Situation A: total preparation time of 30 minutes with a run
cycle time of 15 minutes.
• Situation B: total preparation time of 15 minutes with a run
cycle time of 30 minutes.
Figure 12 Instrument synchronization
Run 2 Run 3
Vial 1 prepared Vial 2 prepared Vial 3 prepared Vial 4 prepared
Minutes
15 30 60 90 130
Run 1
A
B
Run 2 Run 3Run 1
Vial 1 Vial 2 Vial 3 Vial 4
prepared prepared prepared prepared
medium_standard.book Page 42 Tuesday, February 17, 2004 10:14 AM
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