电感耦合等离子体-原子发射光谱法(ICP-AES)同时测定聚合物层合钢罐中Ba、Co、Cu、Fe、Li、Mn、Zn和Sb的迁移量

The Beverage Industry Pub Date : 1900-01-01 DOI:10.4135/9781446247501.n2036

Bai Jian-gu

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引用次数: 0

摘要

采用电感耦合等离子体原子发射光谱(ICP-AES)同时测定了聚合物层合钢罐中Ba、Co、Cu、Fe、Li、Mn、Zn和Sb的迁移量。系统地评价了食物模拟溶液、迁移条件和测定元素的分析波长，优化了等离子体参数。Ba、Cu、Li、Mn、Fe、Co、Zn、Sb的检出限分别为0.0006、0.0016、0.0012、0.0006、0.0008、0.0004、0.0045、0.0150mg/kg。RSD为0.87% ~ 2.28%(n = 8)，加样回收率为98.9% ~ 104.7%。该方法适用于快速测定聚合物层合钢罐中Ba、Co、Cu、Fe、Li、Mn、Zn和Sb的迁移量。

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Simultaneous Determination of Ba,Co,Cu,Fe,Li,Mn,Zn and Sb Migration Quantities in Polymer Laminated Steel Cans by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES)

Inductively coupled plasma-atomic emission spectroscopy(ICP-AES)was used for the simultaneous determination of Ba,Co,Cu,Fe,Li,Mn,Zn and Sb migrations in polymer laminated steel cans.The food simulation solution,migration conditions and the analytical wavelengths for the elements determined were systematically evaluated,and the plasma parameters optimized.The detection limits of Ba,Cu,Li,Mn,Fe,Co,Zn and Sb were 0.0006,0.0016,0.0012,0.0006,0.0008,0.0004,0.0045 and 0.0150mg/kg,respectively.The RSD was between 0.87% ~ 2.28%(n = 8),and the recoveries ranged from 98.9% to 104.7%.The method was suitable for the rapid determination of Ba,Co,Cu,Fe,Li,Mn,Zn and Sb migrations in polymer laminated steel cans.

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The Beverage Industry

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