Lecture 3122014.pdf

4 Pages

Course Code
CHEM 2121
Nicholas Frost

This preview shows page 1. Sign up to view the full 4 pages of the document.
Lecture 3122014Wednesday March 12 20141220 PMmz Separationnow talking about quantitative analysislooking at mass spec w chromatographySelected Ion Monitoringour analyte here is a mixture of Herbicides in River waterdoing UVvis detection figure aUV detection240 mmbut UV detectors not as selectiveanyone can absorb and thus will be detectedb using mass specusing ion sprayb Reconstructed Total Ion Chromatogramto collect every data point in btake full mass spectrumsum total ions over mz rangec Selected Ion monitoring this is were we really see capability of this methodhelps us just see a specific oneIn mass filter section mz312in part c monitor a specific mz of a known ion of the analyte of interestreduces background noiselittle else yields mz312 unique to the one were looking formore relevant data pointstheres a lot of other stuff we dont needcare for more relevant data points per masscharge AChem Page 1
More Less
Unlock Document

Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.