Lecture 21- NMR - Peak Splitting Pascal’s Triangle NMR…...

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Lecture 21 Nuclear Magnetic Resonance (NMR)
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NMR vs. MS?
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1 H-NMR of ethanol – what does the spectrum tell you? CH 3 CH 2 OH 1. Distinct peaks 2. Peak integration 3. Chemical shift 4. Peak splitting
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http://iverson.cm.utexas.edu/courses/old/310N/spring2008/Handouts/NMRhandout2.html Chemical Shift
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http://iverson.cm.utexas.edu/courses/old/310N /spring2008/Handouts/NMRhandout2.html
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Unformatted text preview: Peak Splitting Pascal’s Triangle: NMR… Pros:- Fast, and relatively easy- Non-destructive- Nonbiased – no matrix effects- Accurate- Comprehensive – see the ‘whole’ sample- Can sometimes analyse compounds which can’t be analysed using chromatographic methods Cons: - Insensitive – 10 6 x less sensitive than MS...
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Lecture 21- NMR - Peak Splitting Pascal’s Triangle NMR…...

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