Resolution of MS

[thohry]

Hi all,

I am quite confused about the definition of MS (in LC/MS). Some vendors give different MS resolution of their instruments. So what is the general rule about this issue?

Thanks.

[bhuvfe]

Maybe you can find some useful info here...
http://chromatographyonline.findanalyti ... rticle.pdf

[thohry]

Maybe you can find some useful info here...
http://chromatographyonline.findanalyti ... rticle.pdf

Thank you !

[thohry]

Anyone knows how to convert the 'full width half max' resolution to 10% (or 5%) resolution? I trying to work it out but not resultful yet.

Thanks.

[lmh]

I'm not sure that 10% resolution makes sense when looking at the resolution of mass peaks, which will frequently be of very uneven sizes. One of the references cited by previous posters mentions this, I think (or check latest printed edition of LC-GC).