Standard Operating Procedure
Varian GC 3900
Gas Chromatography

GC Setup and Operation Instructions
pdf version

Dr. Fred Omega Garces

Chemistry Department
Miramar College

FTIR Instrument

 

Precautions

• Sign log book.

• Remove gloves when operating the computer keyboard and mouse

• Do not change any of the gas settings, all gas pressure has been set.

• Do not change any of the setting on the GC through the GC console, all parameter changes should be completed through the “Star” software via the computers.

• Clean up your mess after using the instrument. After you have completed your project, take your sample vial and empty chemical in the waste refuge container. Clean up your work area.

 
 

Quick Overview

I. Check gas regulator and gas setting, Turn on Instrument

II. Load auto sampler

III. Setup Method

IV. Acquire chromatogram   Working up and Analyze data

VI Instrument shut down and clean up

 

Sign in Log book and Turn on computer
 

Activate EZ OMNIC
 

Check Bench Status
 

NO sample in ZnSe crystal
 

Check Smart Performer status
 

Collect Background
 

Scan Background
 

Do not add window for background scan
 

Liquid Sample on ZnSe crystal
 

Solid sample in ZnSe crystal
 

Collect spectrum for sample
 

Spectrum for sample
 

Adding Sample Name and Open New Window
 

Working up data, identifying peak labels
 

Label peaks
 

Print Spectrum
 

Clean up
 

Shut down
 

Shut down
 

Shut down
 

Shut down
 

Shut down
 

Shut down
 

Shut down
 

Shut down
 

Shut down
 

Shut down

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