Photometric determination of iron (III) |
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Authors: | Wadala A Bashir |
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Institution: | Department of Chemistry, College of Science, University of Mosul, Mosul, Iraq |
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Abstract: | A sensitive colored reaction of tiron with iron (III) is described. It is based on a complex formation between tiron and iron (III) in basic medium. The method is suitable to determine 0.4–10 ppm of iron (III) with a relative standard deviation of 0.45–1.4% depending on the concentration level, molar absorptivity of 5.7 × 103 liter mol−1 cm−1, and Sandell sensitivity index of 0.0098 μg/cm2.Because of being simple and rapid, this method can certainly be used in routine analysis. |
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