Controlled variation of redox conditions in a floodplain soil: Impact on metal mobilization and biomethylation of arsenic and antimony
An automated biogeochemical microcosm system allowing the control of redox potential (E H) in soil suspensions was used to assess the effect of E H on the mobility of cadmium (Cd), copper (Cu), nickel (Ni), zinc (Zn), iron (Fe), and manganese (Mn) as well as on the methylation of arsenic (As) and an...
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| Veröffentlicht in: | Geoderma 2011-01, Vol.160 (3), p.414-424 |
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| creator | Frohne, Tina Rinklebe, Jörg Diaz-Bone, Roland A. Du Laing, Gijs |
| description | An automated biogeochemical microcosm system allowing the control of redox potential (E
H) in soil suspensions was used to assess the effect of E
H on the mobility of cadmium (Cd), copper (Cu), nickel (Ni), zinc (Zn), iron (Fe), and manganese (Mn) as well as on the methylation of arsenic (As) and antimony (Sb) in a contaminated and slightly acidic floodplain soil. The experiment was conducted under stepwise variation from reducing (approximately −300
mV at pH 5) to oxidizing (+
600
mV at pH 5) conditions. The E
H was found to be an important factor controlling the dynamics of studied compounds and elements. Concentrations of Cd, Cu, Mn, Ni, and Zn in solution were low at low E
H and increased with rising E
H what might be attributed to the interaction with dissolved organic carbon (DOC), Mn, and precipitation as sulphides. Redox potential and pH correlate significantly with Cd, Ni, Cu, Zn, and Mn. Total Fe concentrations in solution were high at low E
H and dropped sharply at E
H
>
350
mV at pH 5 to lower values due to the formation of Fe (hydr)oxides. Other metals did not adsorb to or co-precipitate with Fe, which may be attributed to the low pH (between 4.4 and 5.3) amongst other factors. Concentrations of inorganic arsenic (As
i) and antimony (Sb
i), momomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs) in solution decreased significantly with rising E
H, indicating that low E
H promotes the mobility of these compounds.
► The redox potential (E
H) was found to be an important factor controlling the dynamics of metals and biomethylation of arsenic (As) and antimony (Sb) in a floodplain soil. ► Concentrations of heavy metals were low at low E
H and increased with rising E
H due to possible interactions with manganese (Mn), dissolved organic carbon (DOC), and precipitation as sulphides. Interactions between heavy metals and Fe (hydr)oxides are less pronounced in this study due to the prevailing acidic conditions. ► The mobility of As and Sb increases under reducing conditions. Low E
H promotes the formation of monomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs). ► The biogeochemical microcosm system suits well to assess the mobility of heavy metals and the biomethylation of As and Sb in frequently flooded soils. |
| doi_str_mv | 10.1016/j.geoderma.2010.10.012 |
| format | Article |
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H) in soil suspensions was used to assess the effect of E
H on the mobility of cadmium (Cd), copper (Cu), nickel (Ni), zinc (Zn), iron (Fe), and manganese (Mn) as well as on the methylation of arsenic (As) and antimony (Sb) in a contaminated and slightly acidic floodplain soil. The experiment was conducted under stepwise variation from reducing (approximately −300
mV at pH 5) to oxidizing (+
600
mV at pH 5) conditions. The E
H was found to be an important factor controlling the dynamics of studied compounds and elements. Concentrations of Cd, Cu, Mn, Ni, and Zn in solution were low at low E
H and increased with rising E
H what might be attributed to the interaction with dissolved organic carbon (DOC), Mn, and precipitation as sulphides. Redox potential and pH correlate significantly with Cd, Ni, Cu, Zn, and Mn. Total Fe concentrations in solution were high at low E
H and dropped sharply at E
H
>
350
mV at pH 5 to lower values due to the formation of Fe (hydr)oxides. Other metals did not adsorb to or co-precipitate with Fe, which may be attributed to the low pH (between 4.4 and 5.3) amongst other factors. Concentrations of inorganic arsenic (As
i) and antimony (Sb
i), momomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs) in solution decreased significantly with rising E
H, indicating that low E
H promotes the mobility of these compounds.
► The redox potential (E
H) was found to be an important factor controlling the dynamics of metals and biomethylation of arsenic (As) and antimony (Sb) in a floodplain soil. ► Concentrations of heavy metals were low at low E
H and increased with rising E
H due to possible interactions with manganese (Mn), dissolved organic carbon (DOC), and precipitation as sulphides. Interactions between heavy metals and Fe (hydr)oxides are less pronounced in this study due to the prevailing acidic conditions. ► The mobility of As and Sb increases under reducing conditions. Low E
H promotes the formation of monomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs). ► The biogeochemical microcosm system suits well to assess the mobility of heavy metals and the biomethylation of As and Sb in frequently flooded soils.</description><identifier>ISSN: 0016-7061</identifier><identifier>EISSN: 1872-6259</identifier><identifier>DOI: 10.1016/j.geoderma.2010.10.012</identifier><identifier>CODEN: GEDMAB</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Agronomy. Soil science and plant productions ; alluvial soils ; Antimony ; Arsenic ; Biogeochemical microcosm system ; Biological and medical sciences ; Cadmium ; Copper ; dissolved organic carbon ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Iron ; Manganese ; Methylation ; Nickel ; oxides ; Pollution, environment geology ; Redox potential ; Soils ; Surficial geology ; Trace elements ; Wetland soil ; Zinc</subject><ispartof>Geoderma, 2011-01, Vol.160 (3), p.414-424</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a487t-a8651cfa812ea86ae06d490e64a2f56f51bdfb5162e11098ed9e668328ffa2aa3</citedby><cites>FETCH-LOGICAL-a487t-a8651cfa812ea86ae06d490e64a2f56f51bdfb5162e11098ed9e668328ffa2aa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.geoderma.2010.10.012$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23824954$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Frohne, Tina</creatorcontrib><creatorcontrib>Rinklebe, Jörg</creatorcontrib><creatorcontrib>Diaz-Bone, Roland A.</creatorcontrib><creatorcontrib>Du Laing, Gijs</creatorcontrib><title>Controlled variation of redox conditions in a floodplain soil: Impact on metal mobilization and biomethylation of arsenic and antimony</title><title>Geoderma</title><description>An automated biogeochemical microcosm system allowing the control of redox potential (E
H) in soil suspensions was used to assess the effect of E
H on the mobility of cadmium (Cd), copper (Cu), nickel (Ni), zinc (Zn), iron (Fe), and manganese (Mn) as well as on the methylation of arsenic (As) and antimony (Sb) in a contaminated and slightly acidic floodplain soil. The experiment was conducted under stepwise variation from reducing (approximately −300
mV at pH 5) to oxidizing (+
600
mV at pH 5) conditions. The E
H was found to be an important factor controlling the dynamics of studied compounds and elements. Concentrations of Cd, Cu, Mn, Ni, and Zn in solution were low at low E
H and increased with rising E
H what might be attributed to the interaction with dissolved organic carbon (DOC), Mn, and precipitation as sulphides. Redox potential and pH correlate significantly with Cd, Ni, Cu, Zn, and Mn. Total Fe concentrations in solution were high at low E
H and dropped sharply at E
H
>
350
mV at pH 5 to lower values due to the formation of Fe (hydr)oxides. Other metals did not adsorb to or co-precipitate with Fe, which may be attributed to the low pH (between 4.4 and 5.3) amongst other factors. Concentrations of inorganic arsenic (As
i) and antimony (Sb
i), momomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs) in solution decreased significantly with rising E
H, indicating that low E
H promotes the mobility of these compounds.
► The redox potential (E
H) was found to be an important factor controlling the dynamics of metals and biomethylation of arsenic (As) and antimony (Sb) in a floodplain soil. ► Concentrations of heavy metals were low at low E
H and increased with rising E
H due to possible interactions with manganese (Mn), dissolved organic carbon (DOC), and precipitation as sulphides. Interactions between heavy metals and Fe (hydr)oxides are less pronounced in this study due to the prevailing acidic conditions. ► The mobility of As and Sb increases under reducing conditions. Low E
H promotes the formation of monomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs). ► The biogeochemical microcosm system suits well to assess the mobility of heavy metals and the biomethylation of As and Sb in frequently flooded soils.</description><subject>Agronomy. Soil science and plant productions</subject><subject>alluvial soils</subject><subject>Antimony</subject><subject>Arsenic</subject><subject>Biogeochemical microcosm system</subject><subject>Biological and medical sciences</subject><subject>Cadmium</subject><subject>Copper</subject><subject>dissolved organic carbon</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Iron</subject><subject>Manganese</subject><subject>Methylation</subject><subject>Nickel</subject><subject>oxides</subject><subject>Pollution, environment geology</subject><subject>Redox potential</subject><subject>Soils</subject><subject>Surficial geology</subject><subject>Trace elements</subject><subject>Wetland soil</subject><subject>Zinc</subject><issn>0016-7061</issn><issn>1872-6259</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkcFu1DAQhi0EEkvhFcAXxCmL7U0chxNo1ZZKlTi0PVuz9rh45diLnVYsD8Bz12lKr5zs-eebf6zfhLznbM0Zl5_361tMFvMIa8EexTXj4gVZcdWLRopueElWrJJNzyR_Td6Usq9lzwRbkb_bFKecQkBL7yF7mHyKNDma0abf1KRo_SwV6iMF6kJK9hCgFiX58IVejAcwE60zI04Q6Jh2Pvg_iw1ES3c-1c7PY3h2hlwwevPYhTj5McXjW_LKQSj47uk8ITdnp9fb783lj_OL7bfLBlrVTw0o2XHjQHGB9Q7IpG0HhrIF4TrpOr6zbtdxKZBzNii0A0qpNkI5BwJgc0I-Lb6HnH7dYZn06IvBECBiuitadZtWSdarSsqFNDmVktHpQ_Yj5KPmTM-5673-l7uec5_1mnsd_Pi0AoqB4DJE48vztNgo0Q5dW7kPC-cgabjNlbm5qkbt_DeCDbPT14XAmsi9x6yL8RgNWp_RTNom_7_HPAByqKiD</recordid><startdate>20110115</startdate><enddate>20110115</enddate><creator>Frohne, Tina</creator><creator>Rinklebe, Jörg</creator><creator>Diaz-Bone, Roland A.</creator><creator>Du Laing, Gijs</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20110115</creationdate><title>Controlled variation of redox conditions in a floodplain soil: Impact on metal mobilization and biomethylation of arsenic and antimony</title><author>Frohne, Tina ; Rinklebe, Jörg ; Diaz-Bone, Roland A. ; Du Laing, Gijs</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a487t-a8651cfa812ea86ae06d490e64a2f56f51bdfb5162e11098ed9e668328ffa2aa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>alluvial soils</topic><topic>Antimony</topic><topic>Arsenic</topic><topic>Biogeochemical microcosm system</topic><topic>Biological and medical sciences</topic><topic>Cadmium</topic><topic>Copper</topic><topic>dissolved organic carbon</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Exact sciences and technology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Iron</topic><topic>Manganese</topic><topic>Methylation</topic><topic>Nickel</topic><topic>oxides</topic><topic>Pollution, environment geology</topic><topic>Redox potential</topic><topic>Soils</topic><topic>Surficial geology</topic><topic>Trace elements</topic><topic>Wetland soil</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Frohne, Tina</creatorcontrib><creatorcontrib>Rinklebe, Jörg</creatorcontrib><creatorcontrib>Diaz-Bone, Roland A.</creatorcontrib><creatorcontrib>Du Laing, Gijs</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Geoderma</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Frohne, Tina</au><au>Rinklebe, Jörg</au><au>Diaz-Bone, Roland A.</au><au>Du Laing, Gijs</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Controlled variation of redox conditions in a floodplain soil: Impact on metal mobilization and biomethylation of arsenic and antimony</atitle><jtitle>Geoderma</jtitle><date>2011-01-15</date><risdate>2011</risdate><volume>160</volume><issue>3</issue><spage>414</spage><epage>424</epage><pages>414-424</pages><issn>0016-7061</issn><eissn>1872-6259</eissn><coden>GEDMAB</coden><abstract>An automated biogeochemical microcosm system allowing the control of redox potential (E
H) in soil suspensions was used to assess the effect of E
H on the mobility of cadmium (Cd), copper (Cu), nickel (Ni), zinc (Zn), iron (Fe), and manganese (Mn) as well as on the methylation of arsenic (As) and antimony (Sb) in a contaminated and slightly acidic floodplain soil. The experiment was conducted under stepwise variation from reducing (approximately −300
mV at pH 5) to oxidizing (+
600
mV at pH 5) conditions. The E
H was found to be an important factor controlling the dynamics of studied compounds and elements. Concentrations of Cd, Cu, Mn, Ni, and Zn in solution were low at low E
H and increased with rising E
H what might be attributed to the interaction with dissolved organic carbon (DOC), Mn, and precipitation as sulphides. Redox potential and pH correlate significantly with Cd, Ni, Cu, Zn, and Mn. Total Fe concentrations in solution were high at low E
H and dropped sharply at E
H
>
350
mV at pH 5 to lower values due to the formation of Fe (hydr)oxides. Other metals did not adsorb to or co-precipitate with Fe, which may be attributed to the low pH (between 4.4 and 5.3) amongst other factors. Concentrations of inorganic arsenic (As
i) and antimony (Sb
i), momomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs) in solution decreased significantly with rising E
H, indicating that low E
H promotes the mobility of these compounds.
► The redox potential (E
H) was found to be an important factor controlling the dynamics of metals and biomethylation of arsenic (As) and antimony (Sb) in a floodplain soil. ► Concentrations of heavy metals were low at low E
H and increased with rising E
H due to possible interactions with manganese (Mn), dissolved organic carbon (DOC), and precipitation as sulphides. Interactions between heavy metals and Fe (hydr)oxides are less pronounced in this study due to the prevailing acidic conditions. ► The mobility of As and Sb increases under reducing conditions. Low E
H promotes the formation of monomethyl arsenic (MMAs), monomethyl antimony (MMSb), and dimethyl arsenic (DMAs). ► The biogeochemical microcosm system suits well to assess the mobility of heavy metals and the biomethylation of As and Sb in frequently flooded soils.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.geoderma.2010.10.012</doi><tpages>11</tpages></addata></record> |
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| ispartof | Geoderma, 2011-01, Vol.160 (3), p.414-424 |
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| subjects | Agronomy. Soil science and plant productions alluvial soils Antimony Arsenic Biogeochemical microcosm system Biological and medical sciences Cadmium Copper dissolved organic carbon Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Fundamental and applied biological sciences. Psychology Iron Manganese Methylation Nickel oxides Pollution, environment geology Redox potential Soils Surficial geology Trace elements Wetland soil Zinc |
| title | Controlled variation of redox conditions in a floodplain soil: Impact on metal mobilization and biomethylation of arsenic and antimony |
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