2004•Chinese Journal of Spectroscopy LaboratoryRequires access

Kinetic Spectrophotometric Determination of Formaldehyde by Catalytic Oxidation of Bromocresol Green with Potassium Bromate

Lai Xiao

Abstract

A kinetic spectrophotometric method for the determination of formaldehyde was developed,based on the catalytic effect of formaldehyde on the oxidation reaction of bromocresol green by potassium bromate in H 3PO 4 medium.The linear concentration range is 1—15mg/L with a detection limit of 0.41mg/L. The method was applied to the determination of formaldehyde in waste waters with satisfactory results.

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Key concepts: Potassium bromate, Formaldehyde, Chemistry, Bromate, Bromocresol green, Bromocresol purple, Detection limit, Catalysis