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Simultaneous Determination of Harmful Elements in Granite with Microwave Digestion by ICP - AES

Liu Hong-wei

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Abstract

The essay develops a new method of microwave degestion with a sample of ICP - AES simultanuously determining Pb, Cd, Cr and As. Under the optinum condition , the detection limits of Pb, Cd, Cr and As are 0. 0008, 0. 0007, 0. 0018, 0. 0012(μg ·L - lrespectively). The recoveries of the method are 93.4% - 102. 5%, RSD1. 3% -3.6%. This method is accurate, quick-acquired and convenient.Ilt is used in the determination of granite with the result is satisfactory.

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What this paper is about

The essay develops a new method of microwave degestion with a sample of ICP - AES simultanuously determining Pb, Cd, Cr and As. Under the optinum condition , the detection limits of Pb, Cd, Cr and As are 0. 0008, 0. 0007, 0. 0018, 0. 0012(μg ·L - lrespectively). The recoveries of the method are 93.4% - 102. 5%, RSD1. 3% -3.6%. This method is accurate, quick-acquired and convenient.Ilt is used in the determination of granite with the result is satisfactory.

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Available abstract

The essay develops a new method of microwave degestion with a sample of ICP - AES simultanuously determining Pb, Cd, Cr and As. Under the optinum condition , the detection limits of Pb, Cd, Cr and As are 0. 0008, 0. 0007, 0. 0018, 0. 0012(μg ·L - lrespectively). The recoveries of the method are 93.4% - 102. 5%, RSD1. 3% -3.6%. This method is accurate, quick-acquired and convenient.Ilt is used in the determination of granite with the result is satisfactory.

Key concepts: Inductively coupled plasma atomic emission spectroscopy, Microwave digestion, Chemistry, Microwave, Detection limit, Analytical Chemistry (journal), Mineralogy, Environmental chemistry

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