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LI Gong-shun. Flame Atomic Absorption Spectrophotometric Determination of High-content of Copper in Copper Materials Using Sub-sensitive Spectral Line[J]. Rock and Mineral Analysis, 2008, 27(5): 395-396.
Citation: LI Gong-shun. Flame Atomic Absorption Spectrophotometric Determination of High-content of Copper in Copper Materials Using Sub-sensitive Spectral Line[J]. Rock and Mineral Analysis, 2008, 27(5): 395-396.

Flame Atomic Absorption Spectrophotometric Determination of High-content of Copper in Copper Materials Using Sub-sensitive Spectral Line

  • A method for the determination of high-content of copper in copper materials by flame atomic absorption spectrophotometry using sub-sensitive spectral line at 249.20 nm is reported in this paper. The effects of sub-sensitive spectral line, acidity of testing solution,co-existent metallic elements on the determination of Co were studied. The precision test was implemented for standard solution with Cu concentration of 400 μg/mL with precision of better than 0.82%RSD (n=11). The method has been applied to the determination of copper in copper concentrate, copper sponge and copper sludge, in which the copper content is less than 75%. The results are in good agreement with those by other methods.
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