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EN
The chrysin-4_-sulfonic acid and its sodium salt (Nachsa-4_) have been synthesized and characterized by 1H and 13C NMR spectroscopy. New complexes of Ti(IV), Mn(II) and Fe(III) ions with chsa-4_ anion in solid state were obtained. Their composition and some physicochemical properties were studied by thermogravimetric analysis, UV/Vis, infrared spectroscopy and magnetic measurements. The structure of the compounds was elucidated on the basis of the results obtained.
EN
New solid compounds of Co(II), Ni(II) and Cu(II) with chrysin-4_-sulfonic acid (Hchsa-4_) were obtained. Their composition and some physicochemical properties were studied by thermogravimetric analysis, UV/Vis, infrared and magnetic measurements. Upon heating the hydrated compounds M(OH)(C15H9O7S)źnH2O decomposed to the metal oxides. Structure of the compounds was elucidated on the basis of analytical results.
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