A Rapid Determination Method of Metals in Foods for Emergency Response to Health Crisis

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  • 健康危機対応のための食品中金属の迅速分析法
  • ケンコウ キキ タイオウ ノ タメ ノ ショクヒン チュウ キンゾク ノ ジンソク ブンセキホウ

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Abstract

<p>A rapid determination method for emergency response to health crisis caused by metals in foods, was developed using microwave decomposition equipment and inductively coupled plasma atomic emission spectroscopy (ICP-AES). The method was assessed for 18 elements (Al, As, B, Cd, Co, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb, Sb, Se, Sn, Tl and Zn) in 5 kinds of beverages and 7 kinds of foods. A single-laboratory method validation study was performed using food samples added with 20 mg/kg of each metal. Trueness was 88–108% and intralaboratory reproducibility was 0.2–11.3%. Time required for analysis was less than 3 hr. Thus, the presented method could be useful for rapid analysis of metals involved food poisoning cases.</p>

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