Determination of Iron (III) in the Presence of Group (III) Cations Using U. V. and Derivative Spectrophotometry Via Complexation With Edta

Hesham Salem, Magda El-Maamli, Mohamed El-Sadek and Afaf Aboul Kheir*

Pharmaceutical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig Egypt.

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ABSTRACT:

A direct method for determination of iron (III) in presence of chromium (III), aluminum (III) and manganese (III) was achieved by ultra violet (A), first derivative (dA/dγ) and second derivative (d2A/d2γ) spectrophotometry technique. This has been accomplished through measuring the corresponding EDTA complex. The method was proved using synthetic mixture of Fe-EDTA complex in presence of Cr-EDTA complex, AI-EDTA complex and Mn-EDTA complex. The utility of the method for determination of iron (III) in different pharmaceutical dosage forms was also presented.

KEYWORDS:

Presence; Derivative; Spectrophotometry