3. Loosen the ion volume retaining screw until the spring pushes the CI ion
volume out.
EI Volume
4. Turn the source assembly so the EI ion volume can fall out. If the ion volume
does not fall out, loosen the source screw until it does fall out.
Cleaning the EI/CI Ion Volumes
To clean the ion volumes you will need the following items:
•
Aluminum
oxide
•
Cotton
swabs
•
De-ionized
water
•
Isopropyl Alcohol or Methanol
•
Beakers
•
Ultrasonicator
CI Volume Holder
CI Volume
1. Remove the spring from the CI ion volume.
2. Remove the screw to separate the ion volume from the ion volume holder.
3. Rinse the ion volume and holder with de-ionized water and sonicate them in
de-ionized water for 2 minutes.
4. Sonicate another 2 minutes in isopropyl alcohol or methanol.
53 of 127
Summary of Contents for 4000 GC
Page 4: ......
Page 40: ...6 of 127...
Page 77: ...3 Check source connection pins for proper alignment and straighten as necessary 43 of 127...
Page 124: ...90 of 127...
Page 148: ...114 of 127...
