Posts Tagged ‘Split injection’

Tailing solvent peak during split injection? Check your column installation distance!

When performing splitless injections, it is not uncommon to witness a tailing solvent peak, given the large amount of solvent introduced onto the column over a relatively long period of time.  For split injections, however, only a small portion of the solvent loads onto the column and it occurs very quickly. This results in a […]

Semivolatiles (including Appendix IX) on the Rxi-5ms by U.S. EPA Method 8270D (Split Injection)

I’ve received multiple requests for 8270 run on the Rxi-5ms in the last month or so, so I decided to put up some run conditions (and the acqmeth text file for those of you who aren’t running masshunter). If you are lucky enough to have a 7890b-5977a and masshunter software, I’ve uploaded zipped method file that […]