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KMID : 0385520110240060443
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Analytical Science & Technology
2011 Volume.24 No. 6 p.443 ~ p.450
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Analytical study on nickel content in ceramic, metal and plastic materials
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Choi Zel-Ho
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Abstract
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Quantitative analytical condition for nickel in ceramic, metal and plastic materials using complexation and solvent extraction followed by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and atomic absorption spectrophotometry (AAS) was studied. Ceramic, metal and plastic samples were dissolved by acid digestion. Nickel was determined by ICP-AES and AAS after extraction of Ni(DMG)_2 in CHCl_3. Recovery efficiency of nickel was satisfactory, and most of matrix elements causing interference could be effectively eliminated by the separation. Nickel in the certified reference materials (BAM-376 and PACS-2) were quantitatively determined without influence of sample matrix.
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KEYWORD
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nickel, chelation, dimethylglyoxime, solvent extraction, ICP-AES, AAS,
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