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2003•Journal of Nanchang UniversityRequires access

THE CATALYTIC KINETIC SPECTROPHOTOMETRIC DETERMINATION OF TRACE FORMALDHYDE IN FOOD

Xiang Huang

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Abstract

It has been found that formaldehyde can catalyze the dicoloration of neutral red by potassium bromate in sulfuric medium.It has researched the kinetic parameter.A new method for the determination of trace formaldehyde is established by catalytic kinetic spectrophotometry.Its linear ranges are 0-1.0 μg/25 mL,the detection limit of the method is 4.08×10-9 g/mL.It is applied to formaldehyde determination of food,the result is satisfied.

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What this paper is about

It has been found that formaldehyde can catalyze the dicoloration of neutral red by potassium bromate in sulfuric medium.It has researched the kinetic parameter.A new method for the determination of trace formaldehyde is established by catalytic kinetic spectrophotometry.Its linear ranges are 0-1.0 μg/25 mL,the detection limit of the method is 4.08×10-9 g/mL.It is applied to formaldehyde determination of food,the result is satisfied.

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Available abstract

It has been found that formaldehyde can catalyze the dicoloration of neutral red by potassium bromate in sulfuric medium.It has researched the kinetic parameter.A new method for the determination of trace formaldehyde is established by catalytic kinetic spectrophotometry.Its linear ranges are 0-1.0 μg/25 mL,the detection limit of the method is 4.08×10-9 g/mL.It is applied to formaldehyde determination of food,the result is satisfied.

Key concepts: Potassium bromate, Formaldehyde, Detection limit, Spectrophotometry, Catalysis, Chemistry, Kinetic energy, Sulfuric acid

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