Progress in sample preparation system for the Seoul National University AMS facility

被引：24

作者：

Lee, C

Kim, JC

Park, JH

Kim, IC

Kang, J

Cheoun, MK

Choi, SY

Kim, YD

Moon, CB

机构：

[1] Seoul Natl Univ, Interuniv Ctr Nat Sci, Res Facil, Kwanak Gu, Seoul 151742, South Korea

[2] Sejong Univ, Dept Phys, Seoul, South Korea

[3] Hoseo Univ, Dept Phys, Asan, South Korea

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2000年 / 172卷

关键词：

radiocarbon; sample preparation;

D O I：

10.1016/S0168-583X(00)00395-5

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Seoul National University AMS Laboratory has developed a sample preparation system for AMS measurement. Graphite targets are prepared via the reduction of carbon dioxide over a Fe catalyst. The carbon dioxide gases are produced by combusting pretreated organic samples with CuO and silver wire in a sealed quartz tube. Each combustion produces ca. 2 mg of graphite that is loaded into the target. So far we have been successful in extracting and analyzing C-12(-) current up to 10 mA in stable condition by Cs sputtering onto the targets. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：454 / 457

页数：4

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