Second order retention effects in reversed-phase liquid chromatography. 1. Influence of solute size

1993 ◽  
Vol 37 (3-4) ◽  
pp. 179-184 ◽  
Author(s):  
H. J. Möckel ◽  
U. Dreyer
1983 ◽  
Vol 48 (11) ◽  
pp. 3279-3286
Author(s):  
Slavko Hudeček ◽  
Miloslav Bohdanecký ◽  
Ivana Hudečková ◽  
Pavel Špaček ◽  
Pavel Čefelín

The reaction between hexamethylenediisocyanate and 1-pentanol in toluene was studied by means of reversed-phase liquid chromatography. By employing this method, it was possible to determine all components of the reaction mixture including both products, i.e. N-(6-isocyanate hexyl)pentylcarbamate and N,N'-bis(pentyloxycarbonyl)hexamethylenediamine. Relations for the calculation of kinetic constants were derived assuming a competitive consecutive second-order reaction. It was demonstrated that the reaction involved in this case is indeed a second-order reaction, and the rate constants of the first and second consecutive reactions were determined.


Author(s):  
Ling DING ◽  
Jun DONG ◽  
Yuan-Sheng XIAO ◽  
Xiu-Li ZHANG ◽  
Xing-Ya XUE ◽  
...  

2015 ◽  
Vol 2 (2) ◽  
pp. 110-121 ◽  
Author(s):  
Tamara Alvarez-Segura ◽  
María García-Alvarez-Coque ◽  
Casandra Ortiz-Bolsico ◽  
José Torres-Lapasió

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