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Light Guide for NMR Spectrometers

IP.com Disclosure Number: IPCOM000051852D
Original Publication Date: 1981-Mar-01
Included in the Prior Art Database: 2005-Feb-11

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Bargon, J Kendrick, R Maurer, HM [+details]


The signal in nuclear magnetic resonance (NMR) can be increased by inserting a rod 10 into the spinning NMR sample tube 12 and passing ultraviolet (UV) light through the rod 10 into the liquid sample 14. Preferably, the end of the rod 10 is cut at an angle. The rod 10 induces a flow in the liquid sample 14 in the active NMR coil 16 area, and at the same time the UV light photoexcites the sample 14. This arrangement is particularly suitable for samples containing either 13-carbon or 15-nitrogen nuclei with long relaxation times.