Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples
A seawater preconcentration system (seaFAST) with offline sector-field inductively coupled plasma mass spectrometry (SF-ICP-MS) detection was critically evaluated for ultra-low trace elemental analysis of Southern Ocean samples over a four-year period (20152018). The commercially available system em...
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Online Access: | https://doi.org/10.1016/j.talanta.2019.01.047 http://www.ncbi.nlm.nih.gov/pubmed/30771989 http://ecite.utas.edu.au/130970 |
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ftunivtasecite:oai:ecite.utas.edu.au:130970 2023-05-15T18:18:58+02:00 Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples Wuttig, K Townsend, AT van der Merwe, P Gault-Ringold, M Holmes, T Schallenberg, C Latour, PM Tonnard, M Rijkenberg, MJA Lannuzel, D Bowie, AR 2019 https://doi.org/10.1016/j.talanta.2019.01.047 http://www.ncbi.nlm.nih.gov/pubmed/30771989 http://ecite.utas.edu.au/130970 en eng Elsevier Science Bv http://dx.doi.org/10.1016/j.talanta.2019.01.047 Wuttig, K and Townsend, AT and van der Merwe, P and Gault-Ringold, M and Holmes, T and Schallenberg, C and Latour, PM and Tonnard, M and Rijkenberg, MJA and Lannuzel, D and Bowie, AR, Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples, Talanta, 197 pp. 653-668. ISSN 0039-9140 (2019) [Refereed Article] http://www.ncbi.nlm.nih.gov/pubmed/30771989 http://ecite.utas.edu.au/130970 Chemical Sciences Analytical chemistry Instrumental methods (excl. immunological and bioassay methods) Refereed Article PeerReviewed 2019 ftunivtasecite https://doi.org/10.1016/j.talanta.2019.01.047 2022-08-22T22:16:54Z A seawater preconcentration system (seaFAST) with offline sector-field inductively coupled plasma mass spectrometry (SF-ICP-MS) detection was critically evaluated for ultra-low trace elemental analysis of Southern Ocean samples over a four-year period (20152018). The commercially available system employs two Nobias PA1 resin columns for buffer cleaning and sample preconcentration, allowing salt matrix removal with simultaneous extraction of a range of trace elements. With a primary focus on method simplicity and practicality, a range of experimental parameters relevant to oceanographic analysis were considered, including reduction of blank levels (over weeks and years), instrument conditioning, extraction efficiencies over different pH ranges (5.86.4), and preconcentration factors (~1070 times). Conditions were optimised for the analysis of ten important trace elements (Cd, Co, Cu, Fe, Ga, Mn, Ni, Pb, Ti and Zn) in open ocean seawater samples, and included initial pre-cleaning and conditioning of the seaFAST unit for one week before each separate analytical sequence; a controlled narrow buffer pH of 6.20 0.02 used for extraction; and a sample preconcentration factor of 10 for (relatively) concentrated rainwater or sea ice, 40 for typical seawater samples, and up to 67 times for seawater samples collected in the remote open ocean such as the Southern Ocean. Method accuracy (both short days to weeks - and long term months to years) were evaluated through extensive analysis of a range of oceanographic standard reference samples including SAFe D1 (n = 20), D2 (n = 3), S (n = 15), GEOTRACES GD (n = 6), GSC (n = 42) and GSP (n = 42), as well as NASS-6 (n = 6). Measured values for oceanographic samples were found to agree with consensus values to within 6% for Cd, Cu, Fe, Ni, Pb and Zn. Offsets were noted for Co (labile fraction only; no UV oxidation), Mn (difference also noted in other recent studies) and Ti (limited reference values). No consensus values currently exist for Ga. Iron and Mn in Southern Ocean samples ... Article in Journal/Newspaper Sea ice Southern Ocean eCite UTAS (University of Tasmania) Southern Ocean Talanta 197 653 668 |
institution |
Open Polar |
collection |
eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Chemical Sciences Analytical chemistry Instrumental methods (excl. immunological and bioassay methods) |
spellingShingle |
Chemical Sciences Analytical chemistry Instrumental methods (excl. immunological and bioassay methods) Wuttig, K Townsend, AT van der Merwe, P Gault-Ringold, M Holmes, T Schallenberg, C Latour, PM Tonnard, M Rijkenberg, MJA Lannuzel, D Bowie, AR Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples |
topic_facet |
Chemical Sciences Analytical chemistry Instrumental methods (excl. immunological and bioassay methods) |
description |
A seawater preconcentration system (seaFAST) with offline sector-field inductively coupled plasma mass spectrometry (SF-ICP-MS) detection was critically evaluated for ultra-low trace elemental analysis of Southern Ocean samples over a four-year period (20152018). The commercially available system employs two Nobias PA1 resin columns for buffer cleaning and sample preconcentration, allowing salt matrix removal with simultaneous extraction of a range of trace elements. With a primary focus on method simplicity and practicality, a range of experimental parameters relevant to oceanographic analysis were considered, including reduction of blank levels (over weeks and years), instrument conditioning, extraction efficiencies over different pH ranges (5.86.4), and preconcentration factors (~1070 times). Conditions were optimised for the analysis of ten important trace elements (Cd, Co, Cu, Fe, Ga, Mn, Ni, Pb, Ti and Zn) in open ocean seawater samples, and included initial pre-cleaning and conditioning of the seaFAST unit for one week before each separate analytical sequence; a controlled narrow buffer pH of 6.20 0.02 used for extraction; and a sample preconcentration factor of 10 for (relatively) concentrated rainwater or sea ice, 40 for typical seawater samples, and up to 67 times for seawater samples collected in the remote open ocean such as the Southern Ocean. Method accuracy (both short days to weeks - and long term months to years) were evaluated through extensive analysis of a range of oceanographic standard reference samples including SAFe D1 (n = 20), D2 (n = 3), S (n = 15), GEOTRACES GD (n = 6), GSC (n = 42) and GSP (n = 42), as well as NASS-6 (n = 6). Measured values for oceanographic samples were found to agree with consensus values to within 6% for Cd, Cu, Fe, Ni, Pb and Zn. Offsets were noted for Co (labile fraction only; no UV oxidation), Mn (difference also noted in other recent studies) and Ti (limited reference values). No consensus values currently exist for Ga. Iron and Mn in Southern Ocean samples ... |
format |
Article in Journal/Newspaper |
author |
Wuttig, K Townsend, AT van der Merwe, P Gault-Ringold, M Holmes, T Schallenberg, C Latour, PM Tonnard, M Rijkenberg, MJA Lannuzel, D Bowie, AR |
author_facet |
Wuttig, K Townsend, AT van der Merwe, P Gault-Ringold, M Holmes, T Schallenberg, C Latour, PM Tonnard, M Rijkenberg, MJA Lannuzel, D Bowie, AR |
author_sort |
Wuttig, K |
title |
Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples |
title_short |
Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples |
title_full |
Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples |
title_fullStr |
Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples |
title_full_unstemmed |
Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples |
title_sort |
critical evaluation of a seafast system for the analysis of trace metals in marine samples |
publisher |
Elsevier Science Bv |
publishDate |
2019 |
url |
https://doi.org/10.1016/j.talanta.2019.01.047 http://www.ncbi.nlm.nih.gov/pubmed/30771989 http://ecite.utas.edu.au/130970 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Sea ice Southern Ocean |
genre_facet |
Sea ice Southern Ocean |
op_relation |
http://dx.doi.org/10.1016/j.talanta.2019.01.047 Wuttig, K and Townsend, AT and van der Merwe, P and Gault-Ringold, M and Holmes, T and Schallenberg, C and Latour, PM and Tonnard, M and Rijkenberg, MJA and Lannuzel, D and Bowie, AR, Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples, Talanta, 197 pp. 653-668. ISSN 0039-9140 (2019) [Refereed Article] http://www.ncbi.nlm.nih.gov/pubmed/30771989 http://ecite.utas.edu.au/130970 |
op_doi |
https://doi.org/10.1016/j.talanta.2019.01.047 |
container_title |
Talanta |
container_volume |
197 |
container_start_page |
653 |
op_container_end_page |
668 |
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1766195768022007808 |