Absorption Type ^1H-{^<14>N} Double Resonance Spectrometer

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概要

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• An absorption (single-coil) type high resolution proton magnetic resonance spectrometer (JNM-3, 40 Mc/s) has been reconstructed into a double resonance spectrometer. The second r-f field at about the ^<14>N resonance frequency is supplied with a variable frequency oscillator using a Clapp circuit. A double resonance probe houses two r-f coils and a glass Dewar tube (20 mm o.d.). The coil for ^<14>N resonance is of Helmholtz type and is wound on the Dewar tube coaxially with the proton resonance coil. Nitrogen gas of the constant temperature is streamed around the sample tube, to avoid the temperature rise in the sample due to the large second r-f field supplied during the operation. The completely decoupled proton spectrum of formamide has been observed, in which the fine structure expected for the 40 Mc/s spectrum has been clearly resolved.

• 社団法人応用物理学会の論文
• 1965-03-15

著者

• KAMEI Hirotake

  Electrotechnical Laboratory

関連論文

• Photovoltaic Effect in the Nematic Liquid Crystal
• ^N Nuclear Magnetic Relaxation near the Critical Solution Temperature
• Absorption Type ^1H-{^N} Double Resonance Spectrometer
• Spin Echo Attachment to Single Coil Type High-Resolution NMR Spectrometer

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