GC-MS air percentage increases with oven temperature

[dblux_]

...loosen the front end nut (start of column) and then make sure the reducing nut is tight (and should have a metal o-ring in it).
...

Just in case somebody is looking for a "metal o-ring" - he will never find it
However there must be a washer.

[KipDM]

...loosen the front end nut (start of column) and then make sure the reducing nut is tight (and should have a metal o-ring in it).
...

Just in case somebody is looking for a "metal o-ring" - he will never find it
However there must be a washer.

yes, metal washer. forgot and used as close to a synonym as possible.
we are having some issues with 3 different LC/MS/MSs and that has been a little taxing so sometimes my vocabulary goes out the window.
thanks for correcting me.


KDM

[Bigbear]

Could be a cracked column. Try re installing the old one to see if your leak is fixed.