The NMR facility at Princeton University

Proton NMR produces a spectrum with a  number of peaks.  The number of peaks corresponds to the number of different chem...

Chromatography gets its name from the (sometimes) colourful chromatograms it produces.

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Use the data here to calculate the Ar of lead.

 how it works The mass spectrometer "sorts" isotopes according to their mass. It can also be used to analyse organic molecules.  Background ...