4.8 Article

Colorimetric Determination of Melamine in Dairy Products by Fe3O4 Magnetic Nanoparticles-H2O2-ABTS Detection System

Journal

ANALYTICAL CHEMISTRY
Volume 82, Issue 13, Pages 5897-5899

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ac100597s

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Funding

  1. National Natural Science Foundation of China [20875040]

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In this paper, a simple and rapid colorimetric method, which does not require any expensive and complex instruments, is established for the determination of melamine in dairy products. Lower than 2.5 ppm (the safety limit in the USA and EU) of melamine in real samples can be detected exactly with the recoveries in a range from 98-115% using a 721-A spectrophotometer. More significantly, the existence of melamine can be visually evaluated easily without the aid of any instrumentation.

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