ProStar 430 Autosampler Control Manual - 55 - 03-914947-33:2
Air segment :
If an air segment has been programmed, it appears at the front
of the first plug of mobile phase at the front of every sample
plug.
Situation after filling the loop in case of µL pick-up injections with (A) or without air
segment (B)
NOTE : In case of µL pick-up injections, there will be no air pressure (head-space
pressure) on the sample vial, to avoid sample errors due to air expansion during
vial exchange from the sample vial to the mobile phase vial.
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