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Simultaneous Determination of Pb and Cd in Sauce by Microwave Digestion and ICP-MS

Yong Lei

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Abstract

Pb and Cd in sauce were determined simultaneously by ICP-MS,using microwave digestion for sample handling,In and Re as internal standard.The detection limit of Pb ad Cd were 0.002mg/L and 0.001mg/L respectively,the degree of precision was more than 3% and the recovery was 97%～103%.Therefore,this method is simple,rapid and accurate with low detection limit.

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What this paper is about

Pb and Cd in sauce were determined simultaneously by ICP-MS,using microwave digestion for sample handling,In and Re as internal standard.The detection limit of Pb ad Cd were 0.002mg/L and 0.001mg/L respectively,the degree of precision was more than 3% and the recovery was 97%～103%.Therefore,this method is simple,rapid and accurate with low detection limit.

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Available abstract

Pb and Cd in sauce were determined simultaneously by ICP-MS,using microwave digestion for sample handling,In and Re as internal standard.The detection limit of Pb ad Cd were 0.002mg/L and 0.001mg/L respectively,the degree of precision was more than 3% and the recovery was 97%～103%.Therefore,this method is simple,rapid and accurate with low detection limit.

Key concepts: Detection limit, Microwave digestion, Digestion (alchemy), Microwave, Chromatography, Chemistry, Inductively coupled plasma mass spectrometry, Analytical Chemistry (journal)

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