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2006•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of Cr In Soil by Microwave Assisted Digestion-Flame Atomic Absorption Spectrometry

Deng Xiang, Ying Liu

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Abstract

The soil samples were treated by HNO_3-H_2O_2-HF of microwave digestion,then the amount of Cr in soil was determined by flame atomic absorption spectrometry.The experimental conditions for treatments were optimized.The detection limits are 5mg/kg.The recoveries are from 99.4% to 101.9% with the RSD of 0.54% to 3.31%.The method is rapid,simple and accurate.

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What this paper is about

The soil samples were treated by HNO_3-H_2O_2-HF of microwave digestion,then the amount of Cr in soil was determined by flame atomic absorption spectrometry.The experimental conditions for treatments were optimized.The detection limits are 5mg/kg.The recoveries are from 99.4% to 101.9% with the RSD of 0.54% to 3.31%.The method is rapid,simple and accurate.

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Available abstract

The soil samples were treated by HNO_3-H_2O_2-HF of microwave digestion,then the amount of Cr in soil was determined by flame atomic absorption spectrometry.The experimental conditions for treatments were optimized.The detection limits are 5mg/kg.The recoveries are from 99.4% to 101.9% with the RSD of 0.54% to 3.31%.The method is rapid,simple and accurate.

Key concepts: Microwave digestion, Atomic absorption spectroscopy, Analytical Chemistry (journal), Chemistry, Microwave, Detection limit, Mass spectrometry, Digestion (alchemy)

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