Nanoclay migration from food packaging materials

In this work, the results of migration studies with different food simulants, temperatures and times from two commercialised LDPE nanocomposite bags are presented. The migration solutions thus obtained were analysed by ICP-MS to evaluate the amount of aluminum which migrated into the solutions both in dissolved form and as a part of nanoparticles. Aluminum migration was observed for both samples with a maximum migration value of 51.65 ng/cm2 for the Aisaika bags and 24.14 ng/cm2 for the Debbie Meyer bags. The presence of spikes working in single particle mode using ICP-MS indicated that part of this aluminum was present as nanoparticles (Food Additives & Contaminants: Part A, 11 January 2016).
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