NMR from an Instrument point of view
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This section focuses on the NMR instrument. All instruments have three basic components: a signal generator, a sample holder and a detector.
For NMR:
- signal generator - radio
- sample holder - such as an NMR tube in a spinner.
- Detector - antenna
An NMR instrument has a fourth component, a magnet, that is used to put the sample into an excited state. This excited state is then probed with the signal generator and the result detected with the detector. An instrument with a superconducting magnet is shown below. These systems can be very expensive, in the millions of dollars for the best ones. Due to the high technology required there are only a few manufacturers. The instrument pictured is about 8 feet tall.
