Neutron activation analysis: Still a reference method for air particulate matter measurements

M. Freitas; S. Almeida; M. Reis; M. Ventura

doi:10.1023/b:jrnc.0000040880.76829.0d

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 262: Issue 1

Neutron activation analysis: Still a reference method for air particulate matter measurements

Authors:

M. Freitas

M. Freitas ITN - Instituto Tecnológico e Nuclear Apartado 21, E.N. 10 2686-953 Sacavém Portugal

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S. Almeida

S. Almeida ITN - Instituto Tecnológico e Nuclear Apartado 21, E.N. 10 2686-953 Sacavém Portugal

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M. Reis

M. Reis ITN - Instituto Tecnológico e Nuclear Apartado 21, E.N. 10 2686-953 Sacavém Portugal

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, and

M. Ventura

M. Ventura ITN - Instituto Tecnológico e Nuclear Apartado 21, E.N. 10 2686-953 Sacavém Portugal

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Pages:: 235–239

Online Publication Date:: 03 Jan 2005

Publication Date:: 01 Oct 2004

Article Category:: Research Article

DOI:: https://doi.org/10.1023/b:jrnc.0000040880.76829.0d

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Abstract

At ITN, PM10 and PM2.5 aerosols were collected on Nuclepore^® polycarbonate filters of 47 mm diameter, using Gent samplers at 15–17 l/min air flux. Filters were analyzed by INAA and PIXE. The availability of certified filters was very scarce, viz.: (1) fly ash embedded in a methyl cellulose 47 mm foil 10 µm thick, BCR CRM128, (2) particle-size reduced air particulate matter (APM) to simulate PM2.5 aerosol matter deposited on a 47 mm polycarbonate filter membrane, NIST SRM 2783. The high price and scarcity of APM standards did not permit their frequent use for analytical quality control. At ITN, to control the filter results' accuracy, the chemical elements potassium, iron and zinc, determined by both techniques, were systematically compared. After a few improvements introduced in INAA, this technique was now considered at ITN as the reference technique in air particulate measurements. Comparison of INAA to PIXE was discussed. Compared to previously reported situation it was concluded that the results were in better agreement for iron and zinc, and potassium values were still biased to the same extent as before.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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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)