Mechanism and kinetics of oxidation during the thermal stabilization of polyacrylonitrile fibers

2012 ◽  
Vol 127 (4) ◽  
pp. 3198-3203 ◽  
Author(s):  
Shijie Xiao ◽  
Weiyu Cao ◽  
Bin Wang ◽  
Lianghua Xu ◽  
Biaohua Chen
Keyword(s):  
Thermal Stabilization ◽  
Kinetics Of Oxidation ◽  
Mechanism And Kinetics ◽  
Kinetics Of

Spectrocoulometry – a new spectro-electrochemical technique

1987 ◽  
Vol 52 (6) ◽  
pp. 1386-1396 ◽  
Author(s):  
Ján Mocák ◽  
Michal Németh ◽  
Mieczyslaw Lapkowski ◽  
Jerzy W. Strojek
Keyword(s):  
Optical Probe ◽  
Optical Signal ◽  
Open Circuit ◽  
Electrochemical Technique ◽  
Kinetics Of Oxidation ◽  
Hydrolytic Reaction ◽  
Experimental Errors ◽  
Mechanism And Kinetics ◽  
Kinetics Of

A spectrocoulometric macrocell with a direct-view optical probe was designed and constructed, where the optical signal is transferred by light-conducting glass or quartz fibres permitting to work at wavelengths above 410 or 300 nm. The method of measurement on the proposed equipment is described; it was tested in the study of the mechanism and kinetics of oxidation of Fe(bipy)32+ ions (bipy = 2,2'-bipyridyl) with the use of potentiostatic coulometric electrolysis with open-circuit relaxation at a suitable time. The primary product of electrolysis, Fe(bipy)33+, undergoes a follow-up hydrolytic reaction with the formation of a binuclear complex. The rate constant of the reaction of the first order involves the contributions, kBi, from all bases present in solution; the corresponding values for H2O, OH-, bipy, and CH3COO- ions at a ionic strength 0·5 mol dm-3 and 25 °C were determined as kOH = (5·0 ± 0·6) . 105 mol-1 dm3 s-1, kbipy = (1·3 ± 0·2) . 10-1 mol-1 dm3 s-1, kAc = (5·8 ± 1·0) . 10-2 mol-1 dm3 s-1, and kH2O is not significant with respect to experimental errors.

scholarly journals Mechanism and Kinetics of Oxidation of ZrN Ceramics

2015 ◽  
Vol 98 (7) ◽  
pp. 2205-2213 ◽  
Author(s):  
Robert W. Harrison ◽  
William Edward Lee
Keyword(s):  
Kinetics Of Oxidation ◽  
Mechanism And Kinetics ◽  
Kinetics Of

THE REDOX MECHANISM AND KINETICS OF OXIDATION OF METHANOL OVER Mo-Bi-Ce/SiO2 CATALYST

1989 ◽  
Vol 5 (06) ◽  
pp. 699-704
Author(s):  
Yu Qiquan ◽  
◽  
Jin Yun ◽  
Zhang Fan ◽  
Guo Qinlin ◽  
...  
Keyword(s):  
Kinetics Of Oxidation ◽  
Redox Mechanism ◽  
Oxidation Of Methanol ◽  
Mechanism And Kinetics ◽  
Kinetics Of

Oil extraction from the sunflower seeds, mechanism and kinetics of the process

2020 ◽  
Vol 3 (1) ◽  
pp. 155-160
Author(s):  
Ye. M. Semenyshyn ◽  
◽  
V. M. Atamanyuk ◽  
O. Ya. Dobrovetska ◽  
T. I. Rymar ◽  
...  
Keyword(s):  
Oil Extraction ◽  
Sunflower Seeds ◽  
Mechanism And Kinetics ◽  
Kinetics Of
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