Hydrogen analysis of mineral samples at University of Tsukuba

被引：7

作者：

Sasa, K

Ohshima, H

Yamato, Y

Komatsubara, T

Katabuchi, T

Shima, K

Furuno, K

Kurosawa, M

Yanagisawa, N

机构：

[1] Univ Tsukuba, Tandem Accelerator Ctr, Tsukuba, Ibaraki 3058577, Japan

[2] Univ Tsukuba, Inst Geosci, Tsukuba, Ibaraki 3058571, Japan

[3] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2002年 / 190卷

关键词：

hydrogen analysis in minerals and rocks; nuclear microprobe; heavy ion microprobe;

D O I：

10.1016/S0168-583X(01)01203-4

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This study reports the present status of our work on the hydrogen analysis of mineral and rock samples. The preparation of a standard material by means of ion implantation, a method of its calibration and the application of the method are described. The number of hydrogen atoms per unit volume in the standard material can be determined from the simultaneous observation of alpha-particles, gamma rays and alpha-gamma coincidence events for the H-1(F-19,alphagamma) reaction at the 16.44 MeV resonance energy. The hydrogen content in a natural obsidian determined with the method mentioned above is in agreement with that obtained by FTIR. A heavy-ion microbeam system under construction, which consists of a Russian-type quadrupole magnet for beam focusing, a beam defining slit system and a gamma-ray detector, is also described. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：287 / 290

页数：4

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