DIRECT SPECIATION OF SULFUR IN MARINE SEDIMENT BY HIGH-RESOLUTION PIXE

Author:

MAEDA KUNIKO1,HASEGAWA TOMOTAKE2,HAMANAKA HIROMI2,HASEGAWA KENICHI2,MAEDA MASARU3

Affiliation:

1. The Institute of Physical and Chemical Research (RIKEN), Wako-shi, Saitama 351-0198, Japan

2. Faculty of Engineering, Hosei University, Koganei-shi, 184-8584, Japan

3. Tokyo University of Fisheries, Minato-ku, Tokyo 108-8477, Japan

Abstract

Chemical shifts of Kα1,2 line of sulfur in marine sediments were measured with in-air high-resolution PIXE in order to examine the possibility of direct speciation of sulfur in such environmental substances. Change of chemical states of sulfur along the depth in the sediments was observed. Oxidation of the sediment samples by air was also examined. Problems to be improved for exact speciation are discussed.

Publisher

World Scientific Pub Co Pte Lt

Reference11 articles.

1. S. N. Luoma, Heavy Metals in the Marine Environment, eds. R. W. Furness and P. S. Rainbow (CRC Press, Boca Raton, 1990) pp. 51–66.

2. K. Ito, Newest Analytical Method and Chemical Behavior of Elements in Sediments, eds. K. Samukawa and K. Hiiro (Gihodo Press, Tokyo, 1996) pp. 77–116.

3. HIGH RESOLUTION PIXE USING CRYSTAL SPECTROMETER COMBINED WITH POSITION SENSITIVE DETECTORS

4. Development of an in-air high-resolution PIXE system

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