Automatic Liquid Sampler And Injector; Pre-Run Checklist; Running A Sample - Agilent Technologies 6850 Series II User Information

Automatic Liquid Sampler and
Injector
Refer to the instructions below to use and maintain your 6850 Automatic Liquid
Sampler (ALS) or Automatic Injector, if installed.

Pre-run checklist

Use this checklist to make sure the sampler is ready before you begin.
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Running a sample

When running a sample, keep your hands away from the syringe needle. The
needle is sharp and may contain hazardous chemicals.
To operate your automatic liquid sampler or injector:
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2.
Released: March 2004
Sample vials are half full
Cap is centered, no wrinkles, septum is flat
Sample vial positions match the run parameters
4.5 mL of fresh solvent in each solvent bottle
Waste bottles are empty
There is enough solvent or waste capacity for your sample vials
Syringe is new or clean
Syringe design and size are correct
Plunger is secure in plunger carrier loop
Needle is aligned with septum retainer nut
Syringe is rinsed with solvent
GC inlet liner is clean and deactivated
GC inlet liner or insert is correct type for injection technique
GC inlet septum type is correct
GC inlet septum is less than 200 injections old
Correct septum nut is installed in GC inlet
Install a clean syringe. See
Fill the sample vials. See
6850 Series II GC User Information
"Installing a syringe" on page
"Preparing sample vials" on page 218

Automatic Liquid Sampler and Injector

Pre-run checklist
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page 217 of 256