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APPLICATIONS OF THE HIGH-RESOLUTION SCANNING PROTON MICROPROBE IN THE EARTH SCIENCES - AN OVERVIEW

Abstract:

The proton microprobe uses a focused beam of high-energy protons to generate X-rays in a sample that is to be analyzed. The major advantage of the proton microprobe as compared with the electron microprobe lies in its much lower X-ray background. This makes possible analyses at the 5-10-ppm concentration level with a resolution of 1 μm. The principles of operation of the proton microprobe are reviewed and the instrument compared with the ion probe and synchrotron X-ray microprobe. Examples of...

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Publication status:
Published

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Journal:
CHEMICAL GEOLOGY
Volume:
83
Issue:
1-2
Pages:
27-37
Publication date:
1990-06-20
DOI:
ISSN:
0009-2541
URN:
uuid:6983a399-d8f4-463b-aaed-87cb3e7d1454
Source identifiers:
151953
Local pid:
pubs:151953
Language:
English

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