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Determination of Cadmium in Vegetables by Microwave-Digestion-ICP-OES

Ding Zhong Yuan, Ming Liang He

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Abstract

It was reported in this paper that the microwave-acid digestion technique was used in the ICP-OES determination of Cadmium in vegetables.We determined the analysis level by choosing optimal microwave-acid digestion condition.This method has a checking limit of 0.002 μg/L and the relative standard deviation is 1.1%.The respective recovery rate is 100%~104%.The results indicate that both the accuracy and degree of precision are high compared with dry-ashing method.

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What this paper is about

It was reported in this paper that the microwave-acid digestion technique was used in the ICP-OES determination of Cadmium in vegetables.We determined the analysis level by choosing optimal microwave-acid digestion condition.This method has a checking limit of 0.002 μg/L and the relative standard deviation is 1.1%.The respective recovery rate is 100%~104%.The results indicate that both the accuracy and degree of precision are high compared with dry-ashing method.

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Available abstract

It was reported in this paper that the microwave-acid digestion technique was used in the ICP-OES determination of Cadmium in vegetables.We determined the analysis level by choosing optimal microwave-acid digestion condition.This method has a checking limit of 0.002 μg/L and the relative standard deviation is 1.1%.The respective recovery rate is 100%~104%.The results indicate that both the accuracy and degree of precision are high compared with dry-ashing method.

Key concepts: Ashing, Microwave digestion, Cadmium, Inductively coupled plasma atomic emission spectroscopy, Relative standard deviation, Digestion (alchemy), Microwave, Detection limit

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