Dissolution of some polymers in aqueous solutions of urea, of its related compounds, and of tetraalkylammonium salts

1967 ◽  
Vol 25 (4) ◽  
pp. 531-536 ◽  
Author(s):  
Shuji Saito ◽  
Toshihiko Otsuka
Keyword(s):  
Aqueous Solutions ◽  
Tetraalkylammonium Salts ◽  
Related Compounds

Effects of salts on the kinetics of oxidation of alkenes by thallic salts in aqueous solutions

1981 ◽  
Vol 46 (3) ◽  
pp. 693-700 ◽  
Author(s):  
Milan Strašák ◽  
Jaroslav Majer
Keyword(s):  
Aqueous Solutions ◽  
Phase Transfer ◽  
Heterogeneous Reaction ◽  
Qualitative Model ◽  
Kinetic Effect ◽  
Tetraalkylammonium Salts ◽  
Reaction Conditions ◽  
Kinetics Of Oxidation ◽  
Kinetics Of ◽  
Heterogeneous Reaction Conditions

The kinetics of oxidation of alkenes by thallic sulphate in aqueous solutions, involving the two reaction steps-the hydroxythallation and the dethallation - was studied, and the effect of salts on the kinetics was examined; this made it possible to specify more precisely the reaction mechanism and to suggest a qualitative model of the reaction coordinate. It was found that in homogeneous as well as in heterogeneous reaction conditions, the reaction can be accelerated appreciably by adding tetraalkylammonium salts. These salts not only operate as catalysts of the phase transfer, but also exert a significant kinetic effect, which can be explained with a simplification in terms of a stabilization of the transition state of the reaction.

scholarly journals Copper(II) Complexes of Histidine and Its Related Compounds in Aqueous Solutions

1974 ◽  
Vol 47 (4) ◽  
pp. 1003-1007 ◽  
Author(s):  
Hiroji Aiba ◽  
Akira Yokoyama ◽  
Hisashi Tanaka
Keyword(s):  
Aqueous Solutions ◽  
Related Compounds

Selective Sorption of Phenol and Related Compounds from Aqueous Solutions onto Graphitized Carbon Black. Adsorption and Flow Microcalorimetric Studies

Langmuir ◽  
1996 ◽  
Vol 12 (2) ◽  
pp. 423-430 ◽  
Author(s):  
Zoltán Király ◽  
Imre Dékány ◽  
Erwin Klumpp ◽  
Hans Lewandowski ◽  
Hans D. Narres ◽  
...  
Keyword(s):  
Carbon Black ◽  
Aqueous Solutions ◽  
Graphitized Carbon Black ◽  
Selective Sorption ◽  
Graphitized Carbon ◽  
Related Compounds

Sorption of active dyes by polysaccharides from aqueous solutions tetraalkylammonium salts

2021 ◽  
Vol 22 (11) ◽  
pp. 508-512
Author(s):  
A.P Mikhailovskaya ◽  
◽  
I.V Elokhin ◽  
S.S Lysova ◽  
◽  
...  
Keyword(s):  
Aqueous Solutions ◽  
Tetraalkylammonium Salts
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