STUDY OF A NEW COORDINATION COMPOUNDS BASED ON Cr(III) AND SUCCINIMIDE IN AQUEOUS SOLUTION

Mihaela Dana TUTULEA (ANASTASIU), Igor CRETESCU, Doina SIBIESCU, Ioan ROSCA

Abstract

In  this  paper,  the  study  of  obtaining  new  coordination  compounds  of  Cr(III)  using  as ligand,  succinimide  and  the  stability  constants,  were  presented.  Conductometric,  pH-metric  and spectrophotometric  studies  of  Cr(III)-succinimide  system  were  carried  out  in  aqueous  medium.  The “molar  ratio”  method was  used  to  study  the  complex  formation  in  solution  and  for  determine  the stability  constants  was  used  Harvey-Manning  method. From  experimental  data  resulted  that  the combination ratio of the ligand succinimide with central metallic atoms was: 1:1, 2:1 and respectively 3:1.

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