Investigation of adsorbed mercury distribution in silver coated filters by X-ray fluorescence

S. Kurunczi; Sz. Török; J. Beal

doi:10.1023/a:1019614228968

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 253: Issue 2

Investigation of adsorbed mercury distribution in silver coated filters by X-ray fluorescence

Authors:

S. Kurunczi

S. Kurunczi KFKI Atomic Energy Research Institute Konkoly-Thege út 29-33 1121 Budapest Hungary

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Sz. Török

Sz. Török KFKI Atomic Energy Research Institute Konkoly-Thege út 29-33 1121 Budapest Hungary

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J. Beal

J. Beal KFKI Atomic Energy Research Institute Konkoly-Thege út 29-33 1121 Budapest Hungary

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Pages:: 291–295

Online Publication Date:: 01 Nov 2004

Publication Date:: 17 Aug 2002

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1019614228968

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Abstract

We have been working on mercury collection from flue gas by amalgamation and subsequent XRF analysis. Previous results showed unexpectedly high relative standard deviation (30%) in collection efficiency when silver-coated filters were exposed to gas phase mercury in a pilot-scale test chamber. Filters were analyzed by micro-XRF, TXRF and conventional XRF to explore the source of scattering. It was concluded that mercury had inhomogeneously adsorbed in the filter as the cause of this variation, leading to a positive bias of 50% in efficiency value. Results reported in this paper suggest the TXRF method is accurate to within ±10% when X-ray counting statistics are not the limiting factor. Application of this filter in flue gas measurement will be presented.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)