Thermo Fisher has published an application note illustrating the capabilities of its iCE 3000 Series range of atomic absorption spectrometers for monitoring multiple trace metals in rice products.
This range of AA instruments allows quick and easy optimisation for precise flame and furnace analyses of nutritional and toxic elements in rice products at parts-per-million and parts-per-billion levels.
The application note, 'Food Safety Series - Determination of Trace Elements in Rice Products by Flame and Graphite Furnace Atomic Absorption Spectrometry', is available to download via the literature library.
It provides a detailed overview of sample and standard preparation with optimised methods for the analysis of copper, zinc, manganese, cadmium and lead in rice products using flame and furnace AA.
Wizards in Thermo Scientific Solaar software were used for flame and furnace optimisation.
Flame and graphite furnace analyses generated excellent detection limits, according to the company.
Results were below 5ug/kg for copper and zinc, below 40ug/kg for manganese, 0.03ug/kg for cadmium and 0.2ug/kg for lead, ensuring regulatory compliance.
A certified reference material was used to verify the flame and furnace methods, which the company said obtained excellent recoveries.
