Acid Digestion of Food in Multiwave 5001 for the Determination of Trace Elements with ICP-MS Analysis
Rotor 24HVT50 in Multiwave 5001 allows for reliable and quick digestion of food, based on FDA EAM 4.7 method to meet different requirements from all over the world.
Analyzing food for trace elements, particularly lead, cadmium, arsenic and mercury, presents several challenges and needs, especially when using ICP-MS for measuring.
In this regard, developing and standardizing digestion methods to handle various food matrices efficiently is crucial.
Food samples can contain fats, protein, carbohydrates and fibers that complicate digestion, particularly when running different samples in one run. Elements like mercury and arsenic can easily be lost during digestion, leading to inaccurate results.
Within this report the successful digestion of four representative food products on Multiwave 5001 with HVT50 vessels is described. The verification of the stated method is done by quantitative elemental analysis of spiked samples by ICP-MS.
Currently the different standards for trace elements in these products differ from country to country and institution to institution. Therefore, combined “worst-case” limits were considered for the spiking experiment. For this purpose, three standards from Europe, India and the UN/WHO (see 6. References) were combined to give the maximum number of elements and the lowest limit for each element:
- Arsenic: 0.2 ppm
Cadmium: 0.05 ppm
Mercury: 1.0 ppm
Lead: 0.1 ppm
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