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2003•Journal of Shandong Institute of Building MaterialsRequires access

Study on the Spectrophotometric Determination of Tin with Dimethoxyhydroxyphenylfluorone and Its Analytical Application

Wei Cao

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Abstract

The new method of the determination of tin with the new chromogenic reagent 2,3,7-trihydroxy-9-(3,5-dimethoxy-4-hydroxy) phenylfluorone(DMH-PF) has been studied. It was shown that a stable red complex can be formed in acid medium. Its apparent molar absorptivity is 1.17×10 5?L·mol -1 ·cm -1 at 510?nm. Beer's law is obeyed in the range of 0～8?μg /10?mL for tin. The amounts of tin in aluminum alloy and steel can be determined with satisfactory results.

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What this paper is about

The new method of the determination of tin with the new chromogenic reagent 2,3,7-trihydroxy-9-(3,5-dimethoxy-4-hydroxy) phenylfluorone(DMH-PF) has been studied. It was shown that a stable red complex can be formed in acid medium. Its apparent molar absorptivity is 1.17×10 5?L·mol -1 ·cm -1 at 510?nm. Beer's law is obeyed in the range of 0～8?μg /10?mL for tin. The amounts of tin in aluminum alloy and steel can be determined with satisfactory results.

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Available abstract

The new method of the determination of tin with the new chromogenic reagent 2,3,7-trihydroxy-9-(3,5-dimethoxy-4-hydroxy) phenylfluorone(DMH-PF) has been studied. It was shown that a stable red complex can be formed in acid medium. Its apparent molar absorptivity is 1.17×10 5?L·mol -1 ·cm -1 at 510?nm. Beer's law is obeyed in the range of 0～8?μg /10?mL for tin. The amounts of tin in aluminum alloy and steel can be determined with satisfactory results.

Key concepts: Tin, Molar absorptivity, Reagent, Chromogenic, Aluminium, Spectrophotometry, Alloy, Chemistry

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