MULTIELEMENT NEUTRON-ACTIVATION ANALYSIS OF HIGH-PURITY SILVER

被引：12

作者：

FEDOROFF, M ^{[1
]}

LOOSNESKOVIC, C ^{[1
]}

REVEL, G ^{[1
]}

机构：

[1] CENS,LAB PIERRE SUE,F-91190 GIF SUR YVETTE,FRANCE

来源：

ANALYTICAL CHEMISTRY | 1979年 / 51卷 / 09期

关键词：

D O I：

10.1021/ac50045a004

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method for the determination of 15 elements in high-purity silver with detection limits ranging from 10-4 to 10-1 μ9'9-1 has been developed. Despite the high cross section of silver for neutrons, the analysis remains accurate and simple. Accuracy was achieved by a calculation of the thermal and epithermal neutron-flux attenuation, including the shadow effect on the standards placed in the vicinity of the sample. The high radioactivity of the matrix was separated by a chemical method using mainly inorganic fixators (nickel ferrocyanide and antimony pentoxide). Radioactivity measurements were then performed by γ spectrometry. Analytical results for silver samples are given. © 1979, American Chemical Society. All rights reserved.

引用

页码：1350 / 1356

页数：7

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