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Integrating Sampling Methods for Trace Metal Analysis of Natural Water Systems: Ion Exchange Membrane Targets for Proton-Excited X-Ray Fluorescence Analysis

 

作者: CharlesH. Lochmüller,   J. Galbraith,   R. Walter,   J. Joyce,  

 

期刊: Analytical Letters  （Taylor Available online 1972）
卷期: Volume 5, issue 12  

页码: 943-951

 

ISSN:0003-2719

 

年代: 1972

 

DOI:10.1080/00032717208062159

 

出版商: Taylor & Francis Group

 

关键词: Sampling;Trace Metal;Natural Water;Proton-Excited;X-Ray Fluorescence;Ion-Exchange Membranes

 

数据来源: Taylor

 

摘要:

An initial investigation of ion-exchange membranes as trace metal concentrating devices in natural water systems and their suitability as targets for proton-excited x-ray flurorescence (PEXF) is reported. Element maps (Z=19 to Z=85) for various locations along a river were obtained with acceptable sensitivity in an irradiation period of 300 sec. The membrane used is mechanically stablein situand is not destroyed by the 3 Mev (50 na)proton beamused in the study.

 

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