Development of simple and inexpensive methods for analyzing different materials

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In this Book, new, cheap, simple and rapid methods have been introduced for the determination of different pollutants in water and food samples based on air-assisted liquid-liquid microextraction, magnetic solid-phase extraction, portable analytical instruments and digital image decomposition into the primary colors Red (R), Green (G) and Blue (B). Contents: A simple and rapid technique for the determination of copper based on air-assisted liquid-liquid microextraction and image colorimetric analysis Magnetic solid-phase extraction and a portable photocolourimeter using a multi-colour light emitting diode for on-site determination of nitrite Air-assisted liquid-liquid microextraction combined with flame atomic absorption spectrometry for determination of trace Pb in biological and aqueous samples Air-assisted liquid-liquid extraction coupled with dispersive liquid-liquid microextraction and a drying step for extraction and preconcentration of some phthalate esters from edible oils prior to their determination by GC