CJDNP cffccts durmg bcnzoyl peroxide thermolysis have been measured duectly by a pulsed NMR spectrometer in Jaw magnetic fields (OS-120 Oe). It IF shown tilat the traditional technique of the sample "transfer" distorts the real magnetic ticld dcpendsncc of CJDNP.
Chemically induced dynamic nuclear polarization at zero magnetic field
β Scribed by J.L. Charlton; J. Bargon
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 276 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
A simple method is developed for calculation of nuclear polarization in products of radical coupling reactions carried out at zero magnetic field.
The theory of chemically induced dy_~ic nuclear polarization (CIDNP) has received considerable attention from several authors [l-4].
π SIMILAR VOLUMES
Received !O May i-971 : .,. :.. 'CIDNI' @r& photolysis-uf .diisoproPyl ketone is described: In most solvents ClDNP.spectra are in accordance .~.... \_: I\*.@ diti pair fonnagoq (type I split) from triplet state ketone. In CC4, however, the reaction probably hVo@es cOn@lex fOrnXitiOn of excited singl
Dynamic nuclear polarization (DNP) is presented as an applicaformed with insoluble (16) or soluble free radicals (5,6), tion for EPR spectroscopy in low magnetic field (below 40 G). but the most widely used free radicals are nitroxides dis-An updated theory of DNP allows the calculation of the maxim