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Tytuł:
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Welding fume nanoparticles from solid and flux-cored wires: Solubility, toxicity, and role of fluorides.
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Autorzy:
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Hedberg YS; KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 10044 Stockholm, Sweden; Department of Chemistry, The University of Western Ontario, London, Ontario N6A 3K7, Canada; Surface Science Western, The University of Western Ontario, London, Ontario N6G 0J3, Canada. Electronic address: .
Wei Z; KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 10044 Stockholm, Sweden.
McCarrick S; Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden.
Romanovski V; KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 10044 Stockholm, Sweden; Center of Functional Nano-Ceramics, National University of Science and Technology 'MISIS', 119049 Moscow, Russia; Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus, 220072 Minsk, Belarus.
Theodore J; KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 10044 Stockholm, Sweden.
Westin EM; voestalpine Böhler Welding Group GmbH, Böhler-Welding-Str. 1, 8605 Kapfenberg, Austria.
Wagner R; Linde GmbH/UniBw Munich, Germany.
Persson KA; Swerim AB, SE-164 07 Kista, Sweden.
Karlsson HL; Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden.
Odnevall Wallinder I; KTH Royal Institute of Technology, Department of Chemistry, Division of Surface and Corrosion Science, 10044 Stockholm, Sweden; AIMES - Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska Institutet and KTH Royal Institute of Technology, Stockholm, Sweden; Department of Neuroscience, Karolinska Institutet, SE-171 77 Stockholm, Sweden. Electronic address: .
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Źródło:
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Journal of hazardous materials [J Hazard Mater] 2021 Jul 05; Vol. 413, pp. 125273. Date of Electronic Publication: 2021 Feb 05.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: Amsterdam : Elsevier,
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MeSH Terms:
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Air Pollutants, Occupational*/analysis
Nanoparticles*/toxicity
Welding*
Fluorides ; Solubility ; Stainless Steel
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Contributed Indexing:
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Keywords: Cyclic voltammetry; Cytotoxicity; FTIR; Genotoxicity; Metal release; Solubility; TEM; Welding; XPS; XRD
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Substance Nomenclature:
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0 (Air Pollutants, Occupational)
12597-68-1 (Stainless Steel)
Q80VPU408O (Fluorides)
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Entry Date(s):
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Date Created: 20210213 Date Completed: 20210607 Latest Revision: 20210607
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Update Code:
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20240104
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DOI:
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10.1016/j.jhazmat.2021.125273
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PMID:
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33581669
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Welding fume particles are hazardous. Their toxicity likely depends on their composition and reactivity. This study aimed at exploring the role of sodium or other fluorides (NaF), which are intentionally added to flux-cored wire electrodes for stainless steel welding, on the solubility (in phosphate buffered saline) and toxicity of the generated welding fume particles. A multi-analytical particle characterization approach along with in-vitro cell assays was undertaken. The release of Cr(VI) and Mn from the particles was tested as a function of fluoride solution concentration. The welding fume particles containing NaF released significantly higher amounts of Cr(VI) compared with solid wire reference fumes, which was associated with increased cytotoxicity and genotoxicity in-vitro. No crystalline Na or potassium (K) containing chromates were observed. Cr(VI) was incorporated in an amorphous mixed oxide. Solution-added fluorides did not increase the solubility of Cr(VI), but contributed to a reduced Mn release from both solid and flux-cored wire fume particles and the reduction of Cr(VI) release from solid wire fume particles. Chemical speciation modeling suggested that metal fluoride complexes were not formed. The presence of NaF in the welding electrodes did not have any direct, but possibly an indirect, role in the Cr(VI) solubility of welding fumes.
(Copyright © 2021 The Authors. Published by Elsevier B.V. All rights reserved.)
