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Spectrophotometric determination of antimony in crude indium with malachite green

Kai Wang

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Abstract

The optimal conditions for spectrophotometric determination of antimony in crude indium with malachite green were inves tigated. In the medium of 2-3 mol/L HCl, Sb? with malachite green could form a stable green ion association complex which could be extracted by benzene.The maximun absorption wavelength was at 635nm with apparent molar absorptivity of 8.57×10~4 L·mol~(-1)·cm~(-1) in the selective condition.Beer's law was obeyed in the range of 0-10 μg of Sb? per 10 mL .This method has been applied to the determination of antimony in crude indium with satisfactory results.

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What this paper is about

The optimal conditions for spectrophotometric determination of antimony in crude indium with malachite green were inves tigated. In the medium of 2-3 mol/L HCl, Sb? with malachite green could form a stable green ion association complex which could be extracted by benzene.The maximun absorption wavelength was at 635nm with apparent molar absorptivity of 8.57×10~4 L·mol~(-1)·cm~(-1) in the selective condition.Beer's law was obeyed in the range of 0-10 μg of Sb? per 10 mL .This method has been applied to the determination of antimony in crude indium with satisfactory results.

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Available abstract

The optimal conditions for spectrophotometric determination of antimony in crude indium with malachite green were inves tigated. In the medium of 2-3 mol/L HCl, Sb? with malachite green could form a stable green ion association complex which could be extracted by benzene.The maximun absorption wavelength was at 635nm with apparent molar absorptivity of 8.57×10~4 L·mol~(-1)·cm~(-1) in the selective condition.Beer's law was obeyed in the range of 0-10 μg of Sb? per 10 mL .This method has been applied to the determination of antimony in crude indium with satisfactory results.

Key concepts: Malachite green, Molar absorptivity, Antimony, Indium, Chemistry, Spectrophotometry, Absorption (acoustics), Malachite

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