Evaluation of heavy metal uptake in micropterus salmoides (Largemouth Bass) of Lake Austin, TX by neutron activation analysis

J. Weaver; W. Wilson; S. Biegalski; D. O’Kelly

doi:10.1007/s10967-009-0345-7

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 282: Issue 2

Evaluation of heavy metal uptake in micropterus salmoides (Largemouth Bass) of Lake Austin, TX by neutron activation analysis

Authors:

J. Weaver

J. Weaver The University of Texas at Austin, 10100 Burnet Rd, NEL, Bldg 159, Austin, TX 78758, USA

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W. Wilson

W. Wilson The University of Texas at Austin, 10100 Burnet Rd, NEL, Bldg 159, Austin, TX 78758, USA

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S. Biegalski

S. Biegalski The University of Texas at Austin, 10100 Burnet Rd, NEL, Bldg 159, Austin, TX 78758, USA

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, and

D. O’Kelly

D. O’Kelly The University of Texas at Austin, 10100 Burnet Rd, NEL, Bldg 159, Austin, TX 78758, USA

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Pages:: 443–447

Online Publication Date:: 21 Aug 2009

Publication Date:: 01 Nov 2009

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-009-0345-7

Keywords:: Neutron activation analysis; Environmental monitoring; Heavy metals

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Abstract

Neutron activation analysis was used to investigate and quantify the level of heavy metal uptake in the marine environment of Lake Austin in Austin, TX. Specifically, the samples studied were largemouth bass, or micropterus salmoides. The presence of heavy metals in the food chain presents multiple hazards, mostly as a food hazard for those species that ingest the fish, namely humans. To measure the concentrations of heavy metals in various fish samples, the nuclear analytical technique of neutron activation analysis (NAA) was used. Both epithermal and thermal irradiations were conducted for the NAA to look for short and long-lived radioisotopes, respectively. The samples themselves consisted of liver and tissue samples for each of the fish caught. Each sample was freeze-dried and homogenized before irradiation and spectrum acquisition. The results showed that all levels of heavy metals were not sufficient enough to make the fish unsafe for eating, with the highest levels being found for iron and zinc. Gold was found to be at much higher concentrations in the younger fish and virtually non-existent in the larger of the samples.

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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)