Is this separation possible?

[czeck411]

I am in need of separating NO, N2O, NO2, N2 and O2. When I called Agilent I got a hesitant, perhaps nervous, laugh. Does anyone have any experience with this type of separation? Thanks in advance!

[GasMan]

The problem is the NO and NO2. The other gases are relatively easy to do. You will find postings stating that NO and NO2 can be done by GC, but I have never seen a 'robust' method that I would want to sell to a customer. One of the bibles that I use for gas analysis, "The Analysis of Gases by Chromatography", states quite clearly on page 96, "Other, non chromatographic, methods are available for measuring NO and NO2, such as the chemiluminescence method (Allen, Billingsley and Shaw, 1974) and the prefered tactic would be to use one of those methods and to restrict chromatography to the measurement of N2 and N2O."

If you find a robust method, let me know.

Gasman