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  • Paper spray: a simple and efficient means of analysis of different contaminants in foodstuffs.

Paper spray: a simple and efficient means of analysis of different contaminants in foodstuffs.

The Analyst (2012-04-26)
Zhiping Zhang, R Graham Cooks, Zheng Ouyang
ABSTRACT

A simple and efficient ambient ionization method based on paper spray combined with tandem mass spectrometry allows rapid detection and quantitation of various contaminants (clenbuterol, melamine, plasticizer and sudan red) in various foodstuffs (e.g., meat, milk, sports drinks and chili powder).

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Sudan II, Dye content 90 %
Supelco
Sudan II, analytical standard