Migration of Toxic Metals from Ceramic Food Packaging Materials into Acid Food Simulants
Figure 3
Effect of temperature on extraction of lead, cobalt, nickel, and zinc by 4 and 10% acetic acid, 1% citric acid, and 1% lactic acid at 20, 40, and 60°C: (a) lead released per unit area at 600 h, (b) cobalt released per unit area at 600 h, (c) nickel released per unit area at 600 h, and (d) zinc released per unit area at 600 h.
