ppm in mass spectrometry

Han via methods%40net.bio.net (by nobody from nospam.not)
Fri Oct 24 06:33:01 EST 2008

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Esmaeil Sadroddiny <sadresm2002 from yahoo.com> wrote in 
news:mailman.484.1224821707.29717.methods from net.bio.net:

> Can somebody explain simple definition from ppm in mass spectrometry
> 
> Regards
> Esmaeil 
> 
p  parts
p  per
m  million

Usually weight/weight, AFAIK
-- 
Best regards
Han 
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