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2006•Journal of Analytical ScienceRequires access

Catalytic Kinetic Spectrofluorimetric Determination of Trace Formaldehyde

Guirong Li

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Abstract

A catalytic spectrofluorimetric method was proposed for the determination of trace formaldehyde.It was based on the catalytic effect of formaldehyde on the oxidation of Safranine T by potassium bromate in sulphuric acid medium.The linear range of the determination was 0.025～0.25 μg/mL and the detection limit was 4.19×10~(-5)μg/mL.The method is quick and simple.There was little interference with common organic substances.The method was applied to the determination of trace formaldehyde in water samples of environment and air of house with satisfactory results.

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What this paper is about

A catalytic spectrofluorimetric method was proposed for the determination of trace formaldehyde.It was based on the catalytic effect of formaldehyde on the oxidation of Safranine T by potassium bromate in sulphuric acid medium.The linear range of the determination was 0.025～0.25 μg/mL and the detection limit was 4.19×10~(-5)μg/mL.The method is quick and simple.There was little interference with common organic substances.The method was applied to the determination of trace formaldehyde in water samples of environment and air of house with satisfactory results.

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Available abstract

A catalytic spectrofluorimetric method was proposed for the determination of trace formaldehyde.It was based on the catalytic effect of formaldehyde on the oxidation of Safranine T by potassium bromate in sulphuric acid medium.The linear range of the determination was 0.025～0.25 μg/mL and the detection limit was 4.19×10~(-5)μg/mL.The method is quick and simple.There was little interference with common organic substances.The method was applied to the determination of trace formaldehyde in water samples of environment and air of house with satisfactory results.

Key concepts: Potassium bromate, Chemistry, Formaldehyde, Detection limit, Catalysis, Bromate, Linear range, TRACE (psycholinguistics)

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