Migration of Metal Elements in Drinking Rim and Body of Ceramic Products

LIU Yi-ye, XIE Cang-hao, CHEN Yan-fen, YIN Na, ZHONG Huai-ning, LI Dan

Packaging Engineering ›› 2022 ›› Issue (3) : 113-120.

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Packaging Engineering ›› 2022 ›› Issue (3) : 113-120. DOI: 10.19554/j.cnki.1001-3563.2022.03.014

Migration of Metal Elements in Drinking Rim and Body of Ceramic Products

  • LIU Yi-ye, XIE Cang-hao, CHEN Yan-fen, YIN Na, ZHONG Huai-ning, LI Dan
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Abstract

The work aims to study the migration risk of various metal elements in the drinking rim and body of ceramic products and investigate the rule of compliance determination. 3 migration tests were performed on the drinking rim and body of 41 different types of ceramic mugs with 4% (volume fraction) acetic acid simulant, and 18 elements were detected by inductively coupled plasma mass spectrometry. The mean migration of metal elements in the drinking rim and body decreased as the times of migration increased. The number of samples with the greatest migration of Aluminum (Al), Cobalt (Co), Zinc (Zn) and Lead (Pb) exceeding 10% of the migration discussion limit was significantly higher than that of other metal elements, and the number of samples with the same characteristic in the drinking rim was higher than that in the body. Ceramic products have a high migration risk of Al, Co, Zn and Pb, and the migration risk in the drinking rim is higher than that in the body. It is recommended to determine the compliance of the migration amount of various metal elements with the first migration test results.

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LIU Yi-ye, XIE Cang-hao, CHEN Yan-fen, YIN Na, ZHONG Huai-ning, LI Dan. Migration of Metal Elements in Drinking Rim and Body of Ceramic Products[J]. Packaging Engineering. 2022(3): 113-120 https://doi.org/10.19554/j.cnki.1001-3563.2022.03.014
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