The formation of iron (III) polychelates under different conditions has been investigated: at mechanochemical activation of iron (III) tris-acety lacetonate with subsequent condensation in boiling toluene (method 1) and through chelate heating in air at 100, 150, and 200 C (method 2).The obtained compounds have been studied by the methods of gel permeation chromatography, diffractometry and infrared spectrometry, scanning electron microscopy, and gamma resonance spectroscopy.Based on the obtained data, the maximal particle size has been calculated. The fractal structure of spherical particles was presented.

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