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New Indicator Reaction for Catalytic Kinetic Determination of Trace Iron

Xiuli Hu

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Abstract

The oxidation of bromocresol green by hydrogen peroxide in sulfuric acid medium using Fe(Ⅲ) as catalyst was introduced in this paper.A new method for the determination of trace iron(Ⅲ) had been set up,The sensitivity of method is 1.60×10 -10 g/mL,The range of determination of iron(Ⅲ) was 0～0.4 μg Fe 3+/25 mL.The method had been applied to the determination of trace iron(Ⅲ) in granulated sugar?hair with satisfactory results.

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What this paper is about

The oxidation of bromocresol green by hydrogen peroxide in sulfuric acid medium using Fe(Ⅲ) as catalyst was introduced in this paper.A new method for the determination of trace iron(Ⅲ) had been set up,The sensitivity of method is 1.60×10 -10 g/mL,The range of determination of iron(Ⅲ) was 0～0.4 μg Fe 3+/25 mL.The method had been applied to the determination of trace iron(Ⅲ) in granulated sugar?hair with satisfactory results.

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Available abstract

The oxidation of bromocresol green by hydrogen peroxide in sulfuric acid medium using Fe(Ⅲ) as catalyst was introduced in this paper.A new method for the determination of trace iron(Ⅲ) had been set up,The sensitivity of method is 1.60×10 -10 g/mL,The range of determination of iron(Ⅲ) was 0～0.4 μg Fe 3+/25 mL.The method had been applied to the determination of trace iron(Ⅲ) in granulated sugar?hair with satisfactory results.

Key concepts: Hydrogen peroxide, Chemistry, Catalysis, Sulfuric acid, Inorganic chemistry, Trace Amounts, Organic chemistry, Alternative medicine

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