The Automatic Liquid Sampler Part 1. The 7673 ALS
Injector control table
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Injector control table
Injection volume—Each volume unit corresponds to one-tenth the syringe
capacity (enter 5 to inject half a syringe-full).
Number of sample pumps—How many times the syringe plunger is moved
up and down with the needle in the sample to expel air bubbles and improve
reproducibility.
Viscosity delay—How many seconds the plunger pauses at the top of the
pump and injection strokes. For viscous samples, the pause allows the sample
to flow into the vacuum created in the syringe.
Number of sample washes—How many times the syringe is rinsed with
sample before the injection. The injector lowers the needle into the sample vial,
fills the syringe to eight-tenths its full volume, and empties it into one of the
waste bottles.
Number of solvent A washes—How many times the syringe is rinsed with
solvent from the solvent A bottle.
Number of solvent B washes—How many times the syringe is rinsed with
solvent from the solvent B bottle.
Appears only if Sampling offset is On
Press [Front Injector] or [Back Injector].
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