Solvent Extraction-ICP Atomic Emission Spectrometry on Determination of Trace Heavy Metal Elements in Macro-component Calcium

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[Abstract] Determination of manganese, iron, zinc and copper in macro-component calcium such as shell and pearl was examined using solvent extraction-ICP atomic emission spectrometry. Spectral interference and negative interference for these elements were existed simultaneously. Therefore, these elements tried on the method for separating from the solution including the macro-component calcium ion by the solvent extraction method. Sodium diethyldithiocarbamate was used as a chelating reagent, and hexyl acetate was selected as an organic solvent. These elements were quantitatively extracted over pH 6, and could be separated from macro-component calcium.

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