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- date : 2015-05-20 01:10|hit : 1827
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- Article] A study of the bio-accessibility of welding fumes
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DocNo of ILP: 3973
Doc. Type: Article
Title: A study of the bio-accessibility of welding fumes
Authors: Berlinger, B; Ellingsen, DG; Naray, M; Zaray, G; Thomassen, Y
Full Name of Authors: Berlinger, Balazs; Ellingsen, Dag G.; Naray, Miklos; Zaray, Gyula; Thomassen, Yngvar
Keywords by Author:
Keywords Plus: AIR EXPOSURE ASSESSMENT; NEUROLOGICAL RISK; WORKPLACE AIR; ARC WELDERS; MANGANESE; METALS; INFLAMMATION; CHROMIUM; STANDARD; NICKEL
Abstract: The respiratory bio-accessibility of a substance is the fraction that is soluble in the respiratory environment and is available for absorption. In the case of respiratory exposure the amount of absorbed substance plays a main role in the biological effects. Extensive bio-accessibility studies have always been an essential requirement for a better understanding of the biological effects of different workplace aerosols, such as welding fumes. Fumes generated using three different welding techniques, manual metal arc (MMA) welding, metal inert gas (MIG) welding, and tungsten inert gas (TIG) welding were investigated in the present study. Each technique was used for stainless steel welding. Welding fumes were collected on PVC membrane filters in batches of 114 using a multiport air sampler. Three different fluids were applied for the solubility study: deionised water and two kinds of lung fluid simulants: lung epithelial lining fluid simulant (Gamble's solution) and artificial lung lining fluid simulant (Hatch's solution). In order to obtain sufficient data to study the tendencies in solubility change with time, seven different leaching periods were used (0.5, 1, 2, 4, 8, 16, 24 h), each of them with three replicates. The effect of dissolution temperature was also studied. The total amounts of selected metals in the three different welding fumes were determined after microwave-assisted digestion with the mixture of aqua regia and hydrofluoric acid. The most obvious observation yielded by the results is that the solubility of individual metals varies greatly depending on the welding technique, the composition of the leaching fluid and leaching time. This study shows that the most reasonable choice as a media for the bio-assessment of solubility might be Hatch's solution by a dissolution time of 24 h.
Cate of OECD: Chemical sciences
Year of Publication: 2008
Business Area: other
Detail Business: medicine & science
Country: USA
Study Area:
Name of Journal: JOURNAL OF ENVIRONMENTAL MONITORING
Language: English
Country of Authors: [Berlinger, Balazs; Naray, Miklos] Hungarian Inst Occupat Hlth, Chem Lab, H-1450 Budapest, Hungary; [Berlinger, Balazs; Ellingsen, Dag G.; Thomassen, Yngvar] Natl Inst Occupat Hlth, N-0033 Oslo, Norway; [Zaray, Gyula] Eotvos Lorand Univ, Dept Analyt Chem, Budapest, Hungary; [Zaray, Gyula] Cooperat Res Ctr Environm Sci, Budapest, Hungary
Press Adress: Berlinger, B (reprint author), Hungarian Inst Occupat Hlth, Chem Lab, POB 22, H-1450 Budapest, Hungary.
Email Address: berlingerb@omfi.hu; zaray@ludens.elte.hu; yngvar.thomassen@stami.no
Citaion:
Funding:
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Number of Citaion: 32
Publication: ROYAL SOC CHEMISTRY
City of Publication: CAMBRIDGE
Address of Publication: THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND
ISSN: 1464-0325
29-Character Source Abbreviation: J ENVIRON MONITOR
ISO Source Abbreviation: J. Environ. Monit.
Volume: 10
Version: 12
Start of File: 1448
End of File: 1453
DOI: 10.1039/b806631k
Number of Pages: 6
Web of Science Category: Chemistry, Analytical; Environmental Sciences
Subject Category: Chemistry; Environmental Sciences & Ecology
Document Delivery Number: 384KJ
Unique Article Identifier: WOS:000261743400008
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