Qualitative and quantitative determination of trace amounts of various compounds in raw materials, foods and beverages [threshold values]

alimentos analyse quantitative analytical methods bebidas beverages boisson carga contaminante charge polluante chemical composition composition chimique composition globale consumer protection ethics etica foods identification materias primas measurement mesure oligoelementos pollutant load produit alimentaire protection du consommateur proximate composition quantitative analysis raw materials residues residuos technique analytique trace elements