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 chemical environments in which protons exist. OCREdexcelAQA Introducing NMR Enter your text here ... Proton NMR Enter your text here ... Carbon 13 NMR TMS Enter your text here ...  Looking at the pro...

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 1.14 - 1.17 Atomic structure If a nucleus was the size of a raisin, the rest of the atom would be the size of a sports stadium https://www.mychem.co.uk/index.php/igcse-chemistry/principles-of-chemistr...