Kinetics of the reaction of Ni(II) ions with pyridine in water: a polarographic study

1971 ◽  
Vol 67 ◽  
pp. 3343 ◽  
Author(s):  
R. S. Bulmer ◽  
E. F. Caldin ◽  
A. W. Walton
Keyword(s):  
Polarographic Study ◽  
Kinetics Of

Kinetics of the oxidation of dimethyl sulfoxide with aqueous hydrogen peroxide catalyzed by sodium tungstate

1981 ◽  
Vol 59 (4) ◽  
pp. 718-722 ◽  
Author(s):  
Yoshiro Ogata ◽  
Kazushige Tanaka
Keyword(s):  
Hydrogen Peroxide ◽  
Dimethyl Sulfoxide ◽  
Sodium Tungstate ◽  
Catalytic Amount ◽  
Active Oxygen ◽  
Probable Mechanism ◽  
Polarographic Study ◽  
Aqueous Hydrogen Peroxide ◽  
First Order ◽  
Kinetics Of

The oxidation of dimethyl sulfoxide (DMSO) by hydrogen peroxide in the presence of a catalytic amount of sodium tungstate (Na2WO4) has been studied kinetically by means of iodometry of hydrogen peroxide. The reaction is first-order with respect to the substrate and the catalyst, but independent of the concentration of hydrogen peroxide which is present in excess of the catalyst. The polarographic study implies that in solutions two main kinds of peroxytungstic acids (H2WO5 and H2WO8) are formed which contain active oxygen in ratios (active oxygen):(Na2WO4) of 1:1 and 4:1, respectively. The effect of acidity on the oxidation rate and a probable mechanism involving a rate-determining attack of peroxytungstic acids are discussed.

Methods of investigation Polarographic study of the kinetics of graft modification of butyl rubber with 1-vinylcyclohex-4-ene

1973 ◽  
Vol 15 (12) ◽  
pp. 3162-3166
Author(s):  
S.I. Sadykh-zade ◽  
B.Yu. Trifel' ◽  
Sh.K. Kyazimov ◽  
M.Ya. Fainshraiber ◽  
I.U. Shigayev
Keyword(s):  
Butyl Rubber ◽  
Polarographic Study ◽  
Graft Modification ◽  
Kinetics Of
Sign in / Sign up

Export Citation Format

Share Document