In my last blog I gave a quick intro on OTM-45, the new PFAS in source air method proposed by the EPA. While the real meat of the method is in the sample collection and extract...

As winter starts up it becomes time for a lot of us to start thinking of how to keep warm. When it comes to air analysis instrumentation though, more thought is put into keepin...

In this blog we’ll continue looking into individual columns and specific separations. We’ll focus on Rt-βDEXsa, Rt-βDEXcst and Rt-γDEXsa (Table 1), which all have somewhat diff...

Often LC analysts need to know what the volume is for the specific column they are using. This value is used for recommendations in terms of conditioning, equilibration and met...