Chromatography Forum

We have a Varian 1079 PTV injector and I want to use a large volume injection of a BSTFA/ACN mixture and a derivative.

Do I need to pack my liner with something like chromossorb? or just inject 10-50µl in splitless mode let's say 80ºC and then raise my temperature to 350ºC?

Thanks

Fabiano,

You may refer to the following application note which gives you a good introduction on optimisation of large volume injection (solvent venting) using PTV injector. Click the following link:

http://www.gerstelus.com/references.html

and download the article on "Sample Introduction Techniques For Capillary Gas Chromatography"

Hope this help.

Thank you, this document was very useful.