Chocolate and other cocoa-containing products are a rich source of polyphenols. This paper describes an ultra-performance liquid chromatography (UPLC) method that can separate and quantify in 3 min ...

ARTICLE Solid-phase extraction of nitro-PAH from aquatic samples and its separation by reverse-phase capillary liquid chromatography Marcelo Toledo; Fernando M. Lanças; Emanuel Carrilho * Instituto de ...