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KMID : 1059519850290030220
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Journal of the Korean Chemical Society
1985 Volume.29 No. 3 p.220 ~ p.225
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A Study on the Determination of Some Heavy Metals using Micro Sampling Technique in Flame Atomic Absorption Spectrophotometry
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Lee Won
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Abstract
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An attempt was made to determine some trace metals in highly concentrated samples using micro sampling technique in flame atomic absorption spectrophotometry. Major instrumental parameters and optimun analytical conditions investigated were the measuring time of instrument (the speed of electronics), sample volume, burner height, aspiration rate, and fuel to oxidant ratio. Advantages of the present technique are not only rapid, simple, and sensitive with good precision but also capability of analyzing small volume of sample and ability to handle highly concentrated samples without serious burner clog-up problem compared to conventional flame atomic absorption.
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