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Nuclear magnetic resonance

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Indications of change

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Understanding NMR spectra

Nuclear magnetic resonance (NMR) is a powerful technique that chemists use to identify unknown compounds. Kate Appleby helps you interpret spectra and provides an example for you to practise with

Figure 1 1H NMR spectrum of ethanol. The numbers by the peaks correspond to their integral ratios

In your chemistry course you are likely to be asked to interpret spectra presented to you. If you go on to study chemistry at university, you will probably use NMR spectra to check your laboratory skills by confirming the identity of compounds you have synthesised in the lab.

Let’s begin with an example. If we insert a sample of ethanol

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Previous

Nuclear magnetic resonance

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Indications of change

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