Kinetic study on the preparation of 4,4'-Dinitrostilbene-2,2'-disulfonic acid (cas 128-42-7) (I)-kinetic study on the oxidation of 4,4'-dinitrobibenzyl-2,2'-disulfonic acid to prepare 4,4'-Dinitrostilbene-2,2'-disulfonic acid (cas 128-42-7)

Add time:09/25/2019    Source:infona.pl

The aqueous air oxidation of 4, 4'-dinitrobibenzyl-2,2'-disulfonic acid (DND) to prepare 4,4'-dinitrostilbne-2,2'-disulfonic acid (DNS) is studied. It is shown that the by-product formation results from the destruction of DNS under certain conditions. Grounded on the experimental data, the rate equation of the oxidation of DND is established, which can be expressed as follows: -d[DND]=dt=k[DND][OH] 1 . 4 . At the same time, the parametric values of macroscopic kinetics are obtained and interaction between temperature, hydroxide concentration, reaction time and conversion is discussed.

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