Abstract
An electrochemical method was developed for the determination of melamine (2,4,6 triamino- 1,3,5-triazine) on static mercury drop electrode (SMDE) and on gold nano particle modified carbon paste electrode. Interaction of melamine with Cu2﹢ ion was investigated and the decrease of Cu stripping peak was measured for the determination of melamine using SMDE. Oxidation property of melamine was improved using gold nano particle modified carbon paste electrode. Direct determination of melamine was proposed from the oxidation peak with three sigma detection limit of 0.43 μML﹣1. Recovery in milk powder sample has shown good recovery of melamine using the modified carbon paste electrode.
Highlights
Melamine is a nitrogen rich compound with around 66% of nitrogen, which has attracted its use as adulterant in milk and milk products
Melamine has strong interaction with Cu2+, which generates electrochemical signals. These electrochemical signals could be a measure of melamine concentration [9]
We have explored for the quantitative determination of melamine by monitoring the stripping signal of copper in linear sweep stripping voltammetry using static mercury drop electrode (SMDE)
Summary
Melamine is a nitrogen rich compound with around 66% of nitrogen, which has attracted its use as adulterant in milk and milk products. Melamine is reported to be toxic and damages kidney by formation of needle like crystal when it combines with cyanuric acid. It has lots of industrial uses like, in packaging industry, synthesis of resins and in fire retardant products. It has been a concern to determine melamine in milk and milk related samples and in water sample. There are some reports of determination of melamine based on chromatography, How to cite this paper: Dey, M.K., Satpati, A.K. and Reddy, A.V.R.
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