Packaging. Test method to determine the porosity of the internal coating of flexible aluminium tubes - Copper sulphate test Ingestion-build-48024 89 µg/kg to 384 µg/kg

89 µg/kg to 384 µg/kg for FB1 and 22 µg/kg to 74 µg/kg for FB2

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Packaging. Test method to determine the porosity of the internal coating of flexible aluminium tubes - Copper sulphate test Ingestion-build-48024 89 µg/kg to 384 µg/kg1 Scope This European Standard is applicable for internally coated cylindrical aluminium tubes, mainly used for the packing of pharmaceutical, cosmetic, hygiene, food or other household products. The internal coating is used as a barrier and should avoid any contact between aluminium and the product. This standard defines the copper sulphate method to detect the electrolyte conductivity as one criterion for the quality of the internal coating. The