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Proton exchange in stable nitroxyl radicals. EPR study of the pH of aqueous solutions

✍ Scribed by V.V. Khramtsov; L.M. Weiner; I.A. Grigoriev; L.B. Volodarsky

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 260 KB
Volume: 91
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(82)87035-8

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✦ Synopsis

The mflucnce of thepH on EPR spectra of nltroxyl radicals was studled Ilypcrfinc sphttlnf constants (ON) sndg factors differ m protonsted (RH') and non-protonakd (R) forms. Proton exchange rates bctwccn R and RH+arc fast or SIOW on the EPR time scale. dcpcndmg on the rachnlpK, These rxhals may be used as "'pH probes". blologleal systems mcludcd

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