Microwave Airtight Digestion-An Atomic Absorption Spectrophotometric Method for the Determination of Cadmium in Foodstuff

Abstract

Abstract: Analyzing sample blending adequately mixed acid by self-controlling technology for cleaning microwave digestionunder the pressure of optical fiber. Rapidly decomposing by adopting increasing ladder pressure and heat under the fixeddeferent power of microware with a simple and convenient, quick, accurate result also reducing analytic liquid polluting.Correctitude across examination was adopted to choose the best digestion system. The detection limit was 0.10ng/cm3, RSD%0.52%～1.74%, CV% 97.00%～108.00%.The method has been used for the determination of Cadmium in foodstuff with asatisfactory result.

Key words: microwave digestion, atomic absorption spectrometry, cadmium

SI Wen-Hui, JIE Peng, WANG Fei. Microwave Airtight Digestion-An Atomic Absorption Spectrophotometric Method for the Determination of Cadmium in Foodstuff[J]. FOOD SCIENCE, 2004, 25(10): 244-247.

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Microwave Airtight Digestion-An Atomic Absorption Spectrophotometric Method for the Determination of Cadmium in Foodstuff

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