ADSORPTION OF IRON TO BIOLOGICALLY ACTIVE SUBSTANCES
Keywords:
monoammonium salt of glycyrrhizic acid, iron (III), spectrophotometric determination, graduation table, absorption maxima..Abstract
The authors of the article suggest simple and express method of spectrophotometric determination of iron (III) through derivatives of monoammonium salt of glycyrrhizic acid (MASGA). The spectral characteristics of the MASGA-Fe (III) complex - absorption maxima (λmax = 440nm) and the actual molar extinction coefficient (ε = 3,425 × 102) were determined. The optimal conditions for the determination of iron (III) in the range of its concentrations of 2,0–45,0 μg / 25 ml of solution have been established.
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