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DETERMINATION OF COPPER IN STAINLESS-STEEL BY FLAME ATOMIC ABSORPTION SPECTROMETRY

Wencong Huang

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Abstract

A method for determination of copper in stainless-steel by flame atomic absorption spectrometry was studied. In the presence of 10% ethanol and using low volume of air flow and actylene, matrix interference caused by a large amount of main elements e.g Fe~(3+) ect. could be eliminated. Good linear relationship was obtained over the range of 0 to 5μg/ml. The relative standard deviation of 9 repeated measurements is 2.3% for 0.080% copper in stainless-steel.

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A method for determination of copper in stainless-steel by flame atomic absorption spectrometry was studied. In the presence of 10% ethanol and using low volume of air flow and actylene, matrix interference caused by a large amount of main elements e.g Fe~(3+) ect. could be eliminated. Good linear relationship was obtained over the range of 0 to 5μg/ml. The relative standard deviation of 9 repeated measurements is 2.3% for 0.080% copper in stainless-steel.

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Available abstract

A method for determination of copper in stainless-steel by flame atomic absorption spectrometry was studied. In the presence of 10% ethanol and using low volume of air flow and actylene, matrix interference caused by a large amount of main elements e.g Fe~(3+) ect. could be eliminated. Good linear relationship was obtained over the range of 0 to 5μg/ml. The relative standard deviation of 9 repeated measurements is 2.3% for 0.080% copper in stainless-steel.

Key concepts: Copper, Atomic absorption spectroscopy, Relative standard deviation, Analytical Chemistry (journal), Materials science, Matrix (chemical analysis), Metallurgy, Chemistry

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