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CHEMICAL STATE ANALYSIS OF Cr AND Fe BY IN-AIR PIXE USING A CURVED CRYSTAL SPECTROMETER COMBINED WITH A POSITION-SENSITIVE PROPORTIONAL COUNTER

KUNIKO MAEDA

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

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KENICHI HASEGAWA

MIS Ltd., 5-3-6, Yayoicho, Nakano-ku, 164-0013, Japan

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HIROMI HAMANAKA

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

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KIYOSHI OGIWARA

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

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MASAMICHI TSUJI

E and E Solutions Inc., Asahi Bldg. 39-8-3 Kamata, Ota-ku, 155-0052, Japan

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, and

SATOSHI MURAO

Institute for Geo-Resources and Environment, AIST, 1-1 Higashi, Tukuba-shi, 305-8567, Japan

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https://doi.org/10.1142/S0129083505000246Cited by:0 (Source: Crossref)

Abstract

The feasibility of RIKEN high-resolution PIXE system for direct chemical state analysis of 3d transition elements was examined. Kβ spectra of Cr and Fe from several compounds were measured in air at atmospheric pressure using a crystal spectrometer consisting of a position-sensitive proportional counter and a curved crystal in v. Hamos geometry. Fine structures which reflect the chemical states of Cr and Fe were well recognized with the measuring time of tens minutes.

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