Methylmercury determination in marine sediment and organisms by Direct Mercury Analyser
An analytical method for simple and rapid determination of methylmercury in sediment and organism samples is described. The proposed method employs the oxygen combustion-gold amalgamation using Direct Mercury Analyser (DMA-80) after complete removal of MeHg by organic extraction and back extraction...
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| Veröffentlicht in: | Analytica chimica acta 2009-05, Vol.641 (1), p.32-36 |
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| container_title | Analytica chimica acta |
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| creator | Maggi, Chiara Berducci, Maria Teresa Bianchi, Jessica Giani, Michele Campanella, Luigi |
| description | An analytical method for simple and rapid determination of methylmercury in sediment and organism samples is described. The proposed method employs the oxygen combustion-gold amalgamation using Direct Mercury Analyser (DMA-80) after complete removal of MeHg by organic extraction and back extraction to an aqueous medium. DMA-80 instrument is equally suitable for the analysis of solid and liquid materials and has a good detection limit. The analytical performance of this method was evaluated by analysis of certified reference materials (CRM-580, IAEA-405, DORM-2, DOLT-3, SRM-2976 and SRM-2977) assessing its quality in terms of accuracy, repeatability and quantification limit. Furthermore total mercury and methylmercury have been analysed in sediment and organism samples collected during the XXI Italian Antarctic Expedition in Terra Nova Bay (Ross Sea, Northern Victoria Land). The results obtained show the validity of the proposed method as ready-to-use analytical method to analyse real samples. |
| doi_str_mv | 10.1016/j.aca.2009.03.033 |
| format | Article |
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The proposed method employs the oxygen combustion-gold amalgamation using Direct Mercury Analyser (DMA-80) after complete removal of MeHg by organic extraction and back extraction to an aqueous medium. DMA-80 instrument is equally suitable for the analysis of solid and liquid materials and has a good detection limit. The analytical performance of this method was evaluated by analysis of certified reference materials (CRM-580, IAEA-405, DORM-2, DOLT-3, SRM-2976 and SRM-2977) assessing its quality in terms of accuracy, repeatability and quantification limit. Furthermore total mercury and methylmercury have been analysed in sediment and organism samples collected during the XXI Italian Antarctic Expedition in Terra Nova Bay (Ross Sea, Northern Victoria Land). The results obtained show the validity of the proposed method as ready-to-use analytical method to analyse real samples.</description><subject>Analytical chemistry</subject><subject>Animals</subject><subject>Antarctica</subject><subject>Biological tissues</subject><subject>Chemistry</subject><subject>Direct Mercury Analyser</subject><subject>Exact sciences and technology</subject><subject>Fishes</subject><subject>General, instrumentation</subject><subject>Geologic Sediments - chemistry</subject><subject>Marine sediments</subject><subject>Mercury - analysis</subject><subject>Methylmercury</subject><subject>Methylmercury Compounds - analysis</subject><subject>Methylmercury Compounds - isolation & purification</subject><subject>Reference Standards</subject><subject>Reproducibility of Results</subject><subject>Soil Pollutants - analysis</subject><subject>Tissue Extracts - chemistry</subject><issn>0003-2670</issn><issn>1873-4324</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1v1DAQhi0EotvCD-CCfAFO2fordiJOVaEUqRUXEEfLGU_Aq8QpdrZS_n292ghupdJI1kjPvBrPQ8gbzraccX2-2zpwW8FYu2WylHxGNrwxslJSqOdkwxiTldCGnZDTnHelFZypl-SEt7KVUssN-XmL8-9lGDHBPi3U44xpDNHNYYo0RDq6FCLSjD6MGGfqoqdT-uViyGOm3UI_hYQw09s14CK6YcmYXpEXvRsyvl7fM_Lj6vP3y-vq5tuXr5cXNxXURsyVYtCZXtTeCKN57T330PdcGQbcgVBND9DpljNondcoTd13DWsbqQGxASfPyIdj7l2a_uwxz3YMGXAYXMRpn23Lyje5aFQh3z9KSqVEK7V4Aii0OJz5f6BgWtVtowvIjyCkKeeEvb1LoVx2sZzZg0m7s8WkPZi0TJaSZebtGr7vRvT_JlZ1BXi3Ai6DG_rkIoT8lxNcNUZrXriPRw6LhvuAyWYIGKEYPZizfgqPrPEAk2y7kg</recordid><startdate>20090508</startdate><enddate>20090508</enddate><creator>Maggi, Chiara</creator><creator>Berducci, Maria Teresa</creator><creator>Bianchi, Jessica</creator><creator>Giani, Michele</creator><creator>Campanella, Luigi</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7TV</scope><scope>7U7</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20090508</creationdate><title>Methylmercury determination in marine sediment and organisms by Direct Mercury Analyser</title><author>Maggi, Chiara ; Berducci, Maria Teresa ; Bianchi, Jessica ; Giani, Michele ; Campanella, Luigi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c572t-40cb7f25d727615dd1dcff1470c1ac248fccb6910c9ad6e375fb809836cee8ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Analytical chemistry</topic><topic>Animals</topic><topic>Antarctica</topic><topic>Biological tissues</topic><topic>Chemistry</topic><topic>Direct Mercury Analyser</topic><topic>Exact sciences and technology</topic><topic>Fishes</topic><topic>General, instrumentation</topic><topic>Geologic Sediments - chemistry</topic><topic>Marine sediments</topic><topic>Mercury - analysis</topic><topic>Methylmercury</topic><topic>Methylmercury Compounds - analysis</topic><topic>Methylmercury Compounds - isolation & purification</topic><topic>Reference Standards</topic><topic>Reproducibility of Results</topic><topic>Soil Pollutants - analysis</topic><topic>Tissue Extracts - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maggi, Chiara</creatorcontrib><creatorcontrib>Berducci, Maria Teresa</creatorcontrib><creatorcontrib>Bianchi, Jessica</creatorcontrib><creatorcontrib>Giani, Michele</creatorcontrib><creatorcontrib>Campanella, Luigi</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Analytica chimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maggi, Chiara</au><au>Berducci, Maria Teresa</au><au>Bianchi, Jessica</au><au>Giani, Michele</au><au>Campanella, Luigi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Methylmercury determination in marine sediment and organisms by Direct Mercury Analyser</atitle><jtitle>Analytica chimica acta</jtitle><addtitle>Anal Chim Acta</addtitle><date>2009-05-08</date><risdate>2009</risdate><volume>641</volume><issue>1</issue><spage>32</spage><epage>36</epage><pages>32-36</pages><issn>0003-2670</issn><eissn>1873-4324</eissn><coden>ACACAM</coden><abstract>An analytical method for simple and rapid determination of methylmercury in sediment and organism samples is described. The proposed method employs the oxygen combustion-gold amalgamation using Direct Mercury Analyser (DMA-80) after complete removal of MeHg by organic extraction and back extraction to an aqueous medium. DMA-80 instrument is equally suitable for the analysis of solid and liquid materials and has a good detection limit. The analytical performance of this method was evaluated by analysis of certified reference materials (CRM-580, IAEA-405, DORM-2, DOLT-3, SRM-2976 and SRM-2977) assessing its quality in terms of accuracy, repeatability and quantification limit. Furthermore total mercury and methylmercury have been analysed in sediment and organism samples collected during the XXI Italian Antarctic Expedition in Terra Nova Bay (Ross Sea, Northern Victoria Land). 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| subjects | Analytical chemistry Animals Antarctica Biological tissues Chemistry Direct Mercury Analyser Exact sciences and technology Fishes General, instrumentation Geologic Sediments - chemistry Marine sediments Mercury - analysis Methylmercury Methylmercury Compounds - analysis Methylmercury Compounds - isolation & purification Reference Standards Reproducibility of Results Soil Pollutants - analysis Tissue Extracts - chemistry |
| title | Methylmercury determination in marine sediment and organisms by Direct Mercury Analyser |
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