Utilization of electron spin resonance spectrometry in hydrogen deuterium exchange studies. Exchange rates and equilibrium constants in some hydroquinones

1969 ◽  
Vol 41 (12) ◽  
pp. 1540-1548 ◽  
Author(s):  
Hsien-Cheng. Yao ◽  
Hanan C. Heller
Keyword(s):  
Electron Spin Resonance ◽  
Exchange Rates ◽  
Electron Spin ◽  
Equilibrium Constants ◽  
Deuterium Exchange ◽  
Hydrogen Deuterium Exchange ◽  
Spin Resonance ◽  
Hydrogen Deuterium

ELECTRON SPIN RESONANCE ABSORPTION OF DIPHENYLPICRYLHYDRAZYL–ZINC OXIDE MIXTURES

1960 ◽  
Vol 38 (5) ◽  
pp. 724-727 ◽  
Author(s):  
Y. Matsunaga ◽  
C. A. McDowell
Keyword(s):  
Zinc Oxide ◽  
Electron Spin Resonance ◽  
Potassium Chloride ◽  
Exchange Reaction ◽  
Electron Spin ◽  
Resonance Absorption ◽  
Hydrogen Deuterium Exchange ◽  
Para Hydrogen ◽  
Spin Resonance ◽  
Hydrogen Deuterium

Electron spin resonance measurements on mixtures of αα-diphenyl-β-picrylhydrazyl (DPPH) and zinc oxide when compared with corresponding determinations on DPPH itself, and with DPPH–potassium chloride mixtures, indicate that there is a transfer of electrons between the DPPH and the zinc oxide. These observations support earlier published views of Harrison and McDowell, who found that the above mixture was able to enhance the catalysis of the ortho–para hydrogen conversion, and the hydrogen–deuterium exchange reaction.

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