Extraction and speciation of arsenic in plants grown on arsenic contaminated soils
A sequential arsenic extraction method was developed that yielded extraction efficiencies (EE) that were approximately double those using current methods for terrestrial plants. The method was applied to plants from two arsenic contaminated sites and showed potential for risk assessment studies. In...
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| Veröffentlicht in: | Talanta (Oxford) 2007-06, Vol.72 (4), p.1507-1518 |
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| creator | Mir, Kalam A. Rutter, Allison Koch, Iris Smith, Paula Reimer, Ken J. Poland, John S. |
| description | A sequential arsenic extraction method was developed that yielded extraction efficiencies (EE) that were approximately double those using current methods for terrestrial plants. The method was applied to plants from two arsenic contaminated sites and showed potential for risk assessment studies. In the method, plants were extracted first by 1:1 water–methanol followed by 0.1
M hydrochloric (HCl) acid. Total arsenic in plant and soil samples collected from contaminated sites was mineralized by acid digestion and detected by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and hydride generation-atomic absorption spectrometry (HG-AAS). Arsenic speciation was done by high performance liquid chromatography coupled with HG-AAS (HPLC–HGAAS) and by HPLC coupled with ICP-mass spectrometry (HPLC–ICP-MS). Spike recovery experiments with arsenite (As(III)), arsenate (As(V)), methylarsonic acid (MA) and dimethylarsinic acid (DMA) showed stability of the species in the extraction processes. Speciation analysis by X-ray absorption near edge spectroscopy (XANES) demonstrated that no transformation of As(III) and As(V) occurred due to sample handling. Dilute HCl was efficient in extracting arsenic from plants; however, extraction and determination of organic species were difficult in this medium. Sequential extraction with 1:1 water–methanol followed by 0.1
M-HCl was most useful in extracting and speciating both organic and inorganic arsenic from plants. Trace amounts of MA and DMA in plants could be detected by HPLC–HGAAS aided by the process of separation and preconcentration of the sequential extraction method. Both organic and inorganic arsenic compounds could be detected simultaneously in synthetic gastric fluid extracts (GFE) but EEs by this method were lower than those of the sequential method. The developed sequential method was shown to be reliable and applicable to various terrestrial plants for arsenic extraction and speciation. |
| doi_str_mv | 10.1016/j.talanta.2007.01.068 |
| format | Article |
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M hydrochloric (HCl) acid. Total arsenic in plant and soil samples collected from contaminated sites was mineralized by acid digestion and detected by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and hydride generation-atomic absorption spectrometry (HG-AAS). Arsenic speciation was done by high performance liquid chromatography coupled with HG-AAS (HPLC–HGAAS) and by HPLC coupled with ICP-mass spectrometry (HPLC–ICP-MS). Spike recovery experiments with arsenite (As(III)), arsenate (As(V)), methylarsonic acid (MA) and dimethylarsinic acid (DMA) showed stability of the species in the extraction processes. Speciation analysis by X-ray absorption near edge spectroscopy (XANES) demonstrated that no transformation of As(III) and As(V) occurred due to sample handling. Dilute HCl was efficient in extracting arsenic from plants; however, extraction and determination of organic species were difficult in this medium. Sequential extraction with 1:1 water–methanol followed by 0.1
M-HCl was most useful in extracting and speciating both organic and inorganic arsenic from plants. Trace amounts of MA and DMA in plants could be detected by HPLC–HGAAS aided by the process of separation and preconcentration of the sequential extraction method. Both organic and inorganic arsenic compounds could be detected simultaneously in synthetic gastric fluid extracts (GFE) but EEs by this method were lower than those of the sequential method. The developed sequential method was shown to be reliable and applicable to various terrestrial plants for arsenic extraction and speciation.</description><identifier>ISSN: 0039-9140</identifier><identifier>EISSN: 1873-3573</identifier><identifier>DOI: 10.1016/j.talanta.2007.01.068</identifier><identifier>PMID: 19071791</identifier><identifier>CODEN: TLNTA2</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Analysis methods ; Analytical chemistry ; Applied sciences ; Arsenic ; Chemistry ; Chromatographic methods and physical methods associated with chromatography ; Exact sciences and technology ; Extraction ; Other chromatographic methods ; Plants ; Pollution ; Sequential extraction ; Soil and sediments pollution ; Speciation ; Spectrometric and optical methods</subject><ispartof>Talanta (Oxford), 2007-06, Vol.72 (4), p.1507-1518</ispartof><rights>2007 Elsevier B.V.</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c425t-7bafd4919ae74d8dfffd8f4d07451004521fc9aa612993ce8c2fb6b9b35665ff3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.talanta.2007.01.068$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18787038$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19071791$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mir, Kalam A.</creatorcontrib><creatorcontrib>Rutter, Allison</creatorcontrib><creatorcontrib>Koch, Iris</creatorcontrib><creatorcontrib>Smith, Paula</creatorcontrib><creatorcontrib>Reimer, Ken J.</creatorcontrib><creatorcontrib>Poland, John S.</creatorcontrib><title>Extraction and speciation of arsenic in plants grown on arsenic contaminated soils</title><title>Talanta (Oxford)</title><addtitle>Talanta</addtitle><description>A sequential arsenic extraction method was developed that yielded extraction efficiencies (EE) that were approximately double those using current methods for terrestrial plants. The method was applied to plants from two arsenic contaminated sites and showed potential for risk assessment studies. In the method, plants were extracted first by 1:1 water–methanol followed by 0.1
M hydrochloric (HCl) acid. Total arsenic in plant and soil samples collected from contaminated sites was mineralized by acid digestion and detected by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and hydride generation-atomic absorption spectrometry (HG-AAS). Arsenic speciation was done by high performance liquid chromatography coupled with HG-AAS (HPLC–HGAAS) and by HPLC coupled with ICP-mass spectrometry (HPLC–ICP-MS). Spike recovery experiments with arsenite (As(III)), arsenate (As(V)), methylarsonic acid (MA) and dimethylarsinic acid (DMA) showed stability of the species in the extraction processes. Speciation analysis by X-ray absorption near edge spectroscopy (XANES) demonstrated that no transformation of As(III) and As(V) occurred due to sample handling. Dilute HCl was efficient in extracting arsenic from plants; however, extraction and determination of organic species were difficult in this medium. Sequential extraction with 1:1 water–methanol followed by 0.1
M-HCl was most useful in extracting and speciating both organic and inorganic arsenic from plants. Trace amounts of MA and DMA in plants could be detected by HPLC–HGAAS aided by the process of separation and preconcentration of the sequential extraction method. Both organic and inorganic arsenic compounds could be detected simultaneously in synthetic gastric fluid extracts (GFE) but EEs by this method were lower than those of the sequential method. The developed sequential method was shown to be reliable and applicable to various terrestrial plants for arsenic extraction and speciation.</description><subject>Analysis methods</subject><subject>Analytical chemistry</subject><subject>Applied sciences</subject><subject>Arsenic</subject><subject>Chemistry</subject><subject>Chromatographic methods and physical methods associated with chromatography</subject><subject>Exact sciences and technology</subject><subject>Extraction</subject><subject>Other chromatographic methods</subject><subject>Plants</subject><subject>Pollution</subject><subject>Sequential extraction</subject><subject>Soil and sediments pollution</subject><subject>Speciation</subject><subject>Spectrometric and optical methods</subject><issn>0039-9140</issn><issn>1873-3573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkE1v1DAQhi1ERZeFnwDKBTglHcdJHJ8QWpVSaaVKFZytiT-QV4m92FkK_x6HjeiNnixrnnfm1UPIGwoVBdpdHaoZR_QzVjUAr4BW0PXPyIb2nJWs5ew52QAwUQrawCV5mdIBAGoG7AW5pAI45YJuyP31rzmiml3wBXpdpKNRDv9-gy0wJuOdKpwvjsuxVHyP4SGP_L-RCrnD5DzOJqeDG9MrcmFxTOb1-m7Jt8_XX3dfyv3dze3u075UTd3OJR_Q6kZQgYY3utfWWt3bRgNvWgrQtDW1SiB2tBaCKdOr2g7dIAbWdl1rLduSD-e9xxh-nEya5eSSMmMuasIpSc5YzznwLpPv_0tS0TZicbYl7RlUMaQUjZXH6CaMvyUFuWiXB7lql4t2CVRm7Tn3dj1wGiajH1Or5wy8WwFMCkcb0SuXHrme9xzYsujjmTNZ3E9nokzKGa-MdtGoWergnqjyB-1wpCA</recordid><startdate>20070615</startdate><enddate>20070615</enddate><creator>Mir, Kalam A.</creator><creator>Rutter, Allison</creator><creator>Koch, Iris</creator><creator>Smith, Paula</creator><creator>Reimer, Ken J.</creator><creator>Poland, John S.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U7</scope><scope>C1K</scope><scope>7X8</scope></search><sort><creationdate>20070615</creationdate><title>Extraction and speciation of arsenic in plants grown on arsenic contaminated soils</title><author>Mir, Kalam A. ; Rutter, Allison ; Koch, Iris ; Smith, Paula ; Reimer, Ken J. ; Poland, John S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c425t-7bafd4919ae74d8dfffd8f4d07451004521fc9aa612993ce8c2fb6b9b35665ff3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Analysis methods</topic><topic>Analytical chemistry</topic><topic>Applied sciences</topic><topic>Arsenic</topic><topic>Chemistry</topic><topic>Chromatographic methods and physical methods associated with chromatography</topic><topic>Exact sciences and technology</topic><topic>Extraction</topic><topic>Other chromatographic methods</topic><topic>Plants</topic><topic>Pollution</topic><topic>Sequential extraction</topic><topic>Soil and sediments pollution</topic><topic>Speciation</topic><topic>Spectrometric and optical methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mir, Kalam A.</creatorcontrib><creatorcontrib>Rutter, Allison</creatorcontrib><creatorcontrib>Koch, Iris</creatorcontrib><creatorcontrib>Smith, Paula</creatorcontrib><creatorcontrib>Reimer, Ken J.</creatorcontrib><creatorcontrib>Poland, John S.</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><jtitle>Talanta (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mir, Kalam A.</au><au>Rutter, Allison</au><au>Koch, Iris</au><au>Smith, Paula</au><au>Reimer, Ken J.</au><au>Poland, John S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extraction and speciation of arsenic in plants grown on arsenic contaminated soils</atitle><jtitle>Talanta (Oxford)</jtitle><addtitle>Talanta</addtitle><date>2007-06-15</date><risdate>2007</risdate><volume>72</volume><issue>4</issue><spage>1507</spage><epage>1518</epage><pages>1507-1518</pages><issn>0039-9140</issn><eissn>1873-3573</eissn><coden>TLNTA2</coden><abstract>A sequential arsenic extraction method was developed that yielded extraction efficiencies (EE) that were approximately double those using current methods for terrestrial plants. The method was applied to plants from two arsenic contaminated sites and showed potential for risk assessment studies. In the method, plants were extracted first by 1:1 water–methanol followed by 0.1
M hydrochloric (HCl) acid. Total arsenic in plant and soil samples collected from contaminated sites was mineralized by acid digestion and detected by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and hydride generation-atomic absorption spectrometry (HG-AAS). Arsenic speciation was done by high performance liquid chromatography coupled with HG-AAS (HPLC–HGAAS) and by HPLC coupled with ICP-mass spectrometry (HPLC–ICP-MS). Spike recovery experiments with arsenite (As(III)), arsenate (As(V)), methylarsonic acid (MA) and dimethylarsinic acid (DMA) showed stability of the species in the extraction processes. Speciation analysis by X-ray absorption near edge spectroscopy (XANES) demonstrated that no transformation of As(III) and As(V) occurred due to sample handling. Dilute HCl was efficient in extracting arsenic from plants; however, extraction and determination of organic species were difficult in this medium. Sequential extraction with 1:1 water–methanol followed by 0.1
M-HCl was most useful in extracting and speciating both organic and inorganic arsenic from plants. Trace amounts of MA and DMA in plants could be detected by HPLC–HGAAS aided by the process of separation and preconcentration of the sequential extraction method. Both organic and inorganic arsenic compounds could be detected simultaneously in synthetic gastric fluid extracts (GFE) but EEs by this method were lower than those of the sequential method. The developed sequential method was shown to be reliable and applicable to various terrestrial plants for arsenic extraction and speciation.</abstract><cop>Amsterdam</cop><cop>Oxford</cop><pub>Elsevier B.V</pub><pmid>19071791</pmid><doi>10.1016/j.talanta.2007.01.068</doi><tpages>12</tpages></addata></record> |
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| subjects | Analysis methods Analytical chemistry Applied sciences Arsenic Chemistry Chromatographic methods and physical methods associated with chromatography Exact sciences and technology Extraction Other chromatographic methods Plants Pollution Sequential extraction Soil and sediments pollution Speciation Spectrometric and optical methods |
| title | Extraction and speciation of arsenic in plants grown on arsenic contaminated soils |
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