103
edits
Changes
From Pumping Station One
→Theory
* Proton NMR - What they really mean is a Hydrogen Atom.
* Proton NMR - What they really mean is a Hydrogen Atom.
* Probe - The detector of an NMR. Most commonly, this is Hydrogen-1, but probes for other elements exist. The probe is ultimately just a coil, but it is tuned to the element of interest.
* Probe - The detector of an NMR. Most commonly, this is Hydrogen-1, but probes for other elements exist. The probe is ultimately just a coil, but it is tuned to the element of interest.
== History ==
* First generation instruments would use a constant RF frequency but ramp the magnetic field up slowly, and this is in fact what this unit did in its original form.
* First generation instruments would use a constant RF frequency but ramp the magnetic field up slowly, and this is in fact what this unit did in its original form.
* Second generation instruments would keep the magnetic field constant but pulse the RF, covering the entire set of radio frequencies. Advances in computing and signal processing enabled Fourier transforms, and this is precisely what the retrofit to this instrument allows it to do.
* Second generation instruments would keep the magnetic field constant but pulse the RF, covering the entire set of radio frequencies. Advances in computing and signal processing enabled Fourier transforms, and this is precisely what the retrofit to this instrument allows it to do.
* A great watch if you have an hour: [https://www.youtube.com/watch?v=UrcJ5lD4_PQ Youtube: History of NMR / Keynote Chemistry]
= Operation =
= Operation =
