Electron spin resonance studies of equilibriums in semiquinone-alkali metal ion systems

1971 ◽  
Vol 93 (15) ◽  
pp. 3769-3770 ◽  
Author(s):  
J. Oakes ◽  
M. C. R. Symons ◽  
T. A. Claxton
Keyword(s):  
Electron Spin Resonance ◽  
Alkali Metal ◽  
Electron Spin ◽  
Metal Ion ◽  
Alkali Metal Ion ◽  
Spin Resonance

Correlation of optical and electron spin resonance spectra for alkali metal solutions in ethylamine and tetrahydrofuran

1976 ◽  
Vol 54 (19) ◽  
pp. 3110-3113 ◽  
Author(s):  
R. Catterall ◽  
J. Slater ◽  
W. A. Seddon ◽  
J. W. Fletcher
Keyword(s):  
Electron Spin Resonance ◽  
Optical Absorption ◽  
Alkali Metal ◽  
Electron Spin ◽  
Hyperfine Splitting ◽  
Pulse Radiolysis ◽  
Optical Absorption Spectra ◽  
Monomeric Species ◽  
Spin Resonance ◽  
Sodium Tetraphenylboron

The band maxima of transient optical absorption spectra observed by pulse radiolysis in ethylamine (EA)/tetrahydrofuran (THF) mixtures containing sodium tetraphenylboron are correlated with electron spin resonance (esr) hyperfine splitting constants obtained in potassium/EA/THF solutions. The data suggest that the optical spectra can be attributed to the same 'monomeric' species as observed by esr in alkali metal solutions.

Electron Spin Resonance Studies in Aqueous Solution: Titanium(III) in the pH Region 1.0–3.5

1974 ◽  
Vol 52 (16) ◽  
pp. 2919-2922 ◽  
Author(s):  
Pavle Ilija Premović ◽  
Paul Ronald West
Keyword(s):  
Aqueous Solution ◽  
Electron Spin Resonance ◽  
Aqueous Solutions ◽  
Electron Spin ◽  
Metal Ion ◽  
Active Species ◽  
Single Line ◽  
Spin Resonance ◽  
Metal Ion Complex

In aqueous solutions of titanium(III) between pH 1.0 and 3.5 a single line e.s.r. signal is recorded with g = 1.9408 ± 0.001 and linewidth 95 ± 3 G. Evidence is presented in support of a hydrolyzed metal ion complex [Ti(OH)2(H2O)4]+ as the likely active species.

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