Analytical Sciences

Multielement Determination of Major-to-Ultratrace Elements in River and Marine Sediment Reference Materials by Inductively Coupled Plasma Atomic Emission Spectrometry and Inductively Coupled Plasma Mass Spectrometry

Rong WEI and Hiroki HARAGUCHI *

Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

The multielement determination of major-to-ultratrace elements in river sediment reference material (NIES No.16) and marine sediment reference material (NIES No.12) was investigated by inductively coupled plasma atomic emission spectrometry (ICP-AES) and inductively coupled plasma mass spectrometry (ICP-MS). The sediment samples were decomposed by alkali fusion with lithium metaborate (LiBO₂) in a platinum crucible, and the residues were dissolved in 1 M nitric acid. The digested sample solutions were subjected to the analysis by ICP-AES and ICP-MS after appropriate dilution. In consequence, 42 elements were determined over a wide concentration range, for example, from Si 23.8% to Lu 0.29 mg g^-1 in the case of marine sediment reference material. (Keywords: Sediment reference materials, multielement determination, major-to-ultratrace elements, ICP-AES, ICP-MS)

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