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KMID : 0881720200350010022
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Journal of Food Hygiene and Safety
2020 Volume.35 No. 1 p.22 ~ p.30
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Monitoring of Heavy Metals Migrated from Glassware, Ceramics, Enamelware, and Earthenware
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Cho Kyung-Chul
Jo Ye-Eun
Park So-Yeon
Park Yong-Chjun
Park Se-Jong
Lee Hye-Young
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Abstract
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This study investigated the migration levels of lead (Pb), cadmium (Cd), and arsenic (As) from food contact articles (glassware, ceramics, enamelware, and earthenware) into a food stimulant (4% v/v, acetic acid). Migration tests were performed at 25 o C for 24 h and all analyses were performed using Inductively-Coupled Plasma Mass Spectrometry (ICP-MS). The method was validated by linearity of calibration curves, limit of detection (LOD), limit of quantification (LOQ), recovery, precision, and uncertainty. In glassware, the migration concentrations ranged from not-detected (N.D.) to 752.21 μg/L and N.D. to 1.99 μg/L for Pb and Cd, respectively. In ceramics, the migration concentrations ranged from N.D. to 1,955.86 μg/L, N.D. to 74.06 μg/L, and N.D. to 302.40 μg/L for Pb, Cd, and As, respectively. In enamelware, the migration concentrations ranged from N.D. to 4.48 μg/L, N.D. to 7.00 μg/L, and N.D. to 52.00 μg/L for Pb, Cd, and Sb, respectively. In earthenware, the migration concentrations ranged from N.D. to 13.68 μg/L, N.D. to 0.04 μg/L, and N.D. to 6.71 μg/L for Pb, Cd, and As, respectively. All results were below the migration limits of Korea standards and specifications for food utensils, containers, and packages.
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KEYWORD
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Glassware, Ceramics, Enamelware and earthenware, Heavy metal, Migration monitoring
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