Determination of Barium, Cobalt, Copper, Iron, Lithium, Manganese, and Zinc Migration Quantity in Food Contact Polymer

FANG Xing-you, LU Dong-qi, MA Qing, ZHOU Ming-hui, ZHEN Chao-hui

Packaging Engineering ›› 2012 ›› Issue (19) : 127-129.

Packaging Engineering ›› 2012 ›› Issue (19) : 127-129.

Determination of Barium, Cobalt, Copper, Iron, Lithium, Manganese, and Zinc Migration Quantity in Food Contact Polymer

  • FANG Xing-you1, LU Dong-qi1, MA Qing1, ZHEN Chao-hui1, ZHOU Ming-hui2
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Abstract

Migration quantity of Barium, Cobalt, Copper, Iron, Lithium, Manganese, and Zinc was determined by inductively coupled plasma atomic emission spectrometry. The influence of analysis line, incident power, pump speed, and carrier gas pressure of ICP-AES, and matrix ion interference and coexistence were studied. The results showed that the method is simple and rapid; recovery for the elements determined is from 85.9% to 108%; and RSDs are in the range of 2.92%~6.78%.

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FANG Xing-you, LU Dong-qi, MA Qing, ZHOU Ming-hui, ZHEN Chao-hui. Determination of Barium, Cobalt, Copper, Iron, Lithium, Manganese, and Zinc Migration Quantity in Food Contact Polymer[J]. Packaging Engineering. 2012(19): 127-129

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