SIMONA TURCUMAN (ANTIGHIN), DOINA SIBIESCU, IOAN ROSCA, IGOR CRETESCU, CATALINA YARODARA ROSCA,  MARIUS SEBASTIAN SECULA<br>Compounds of Mn(II), Co(II) and Ni(II) with Ligand Derived from Morfolin-4 Carboditioic Acid-2(3,5 Diiod, 4 Methyl 2 Hydroxiphenyl) <br>2-Oxoethylesther

SIMONA TURCUMAN (ANTIGHIN), DOINA SIBIESCU, IOAN ROSCA, IGOR CRETESCU, CATALINA YARODARA ROSCA, MARIUS SEBASTIAN SECULA
Compounds of Mn(II), Co(II) and Ni(II) with Ligand Derived from Morfolin-4 Carboditioic Acid-2(3,5 Diiod, 4 Methyl 2 Hydroxiphenyl)
2-Oxoethylesther

Abstract:

In order to obtain new compounds of transitional metals having applications in analytical chemistry, we synthesized and studied compounds of Mn(II), Co(II) and Ni(II) with ligand derived from morfolin-4 carboditioic acid-2(3,5-diiod, 4 methyle 2-hydroxiphenyl) 2-oxoethylesther in the molar ratio of 2:1 (ligand to central atom). The characterization of new compounds was performed by means of chemical analysis, derivatographic thermogravimetry, IR absorption spectroscopy, ESR spectroscopy and X-ray diffraction. The investigated compounds are paramagnetic and crystallize in monoclinic system with central atoms Mn(II), Co(II) or Ni(II) hexacoordinated in octahedral structures. The study of the obtaining reactions of these new compounds supports their use in gravimetric determination of Mn(II), Co(II) and Ni(II). Keywords: Manganese(II), Cobalt(II), Nickel(II), precipitating reagent, gravimetric determination

Issue: 2010, Volume 61, Issue 4

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SIMONA TURCUMAN (ANTIGHIN), DOINA SIBIESCU, IOAN ROSCA, IGOR CRETESCU, CATALINA YARODARA ROSCA, MARIUS SEBASTIAN SECULACompounds of Mn(II), Co(II) and Ni(II) with Ligand Derived from Morfolin-4 Carboditioic Acid-2(3,5 Diiod, 4 Methyl 2 Hydroxiphenyl) 2-Oxoethylesther

SIMONA TURCUMAN (ANTIGHIN), DOINA SIBIESCU, IOAN ROSCA, IGOR CRETESCU, CATALINA YARODARA ROSCA, MARIUS SEBASTIAN SECULA
Compounds of Mn(II), Co(II) and Ni(II) with Ligand Derived from Morfolin-4 Carboditioic Acid-2(3,5 Diiod, 4 Methyl 2 Hydroxiphenyl)
2-Oxoethylesther