Quantification of elements ranging from high levels to trace range in food samples (Ca, Mg, Na, K, Cu, Fe, Mn, Zn, Hg, and As)

The following application note describes methods for determining macro minerals, trace minerals, and toxic trace metals in powdered milk, a dairy product used, for example, in manufacturing infant formula, chocolate and other sweets, baked goods, or cheese and yoghurt. It provides the advantages of longer shelf life, no need for refrigeration, and reduced bulk for easier transportation while almost maintaining the content of minerals. Furthermore, lactose powder and whey protein powder were analyzed. The analysis was performed on a dual atomizer system for AAS, thus allowing simple routine analysis for monitoring the nutritional value using flame AAS as well as special element determination down to lowest detection levels to guarantee food safety by means of graphite furnace technique

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