Silica-Coated Titania and Zirconia Colloids for Subsurface Transport Field Experiments
Silica-coated titania (TiO2) and zirconia (ZrO2) colloids were synthesized in two sizes to provide easily traced mineral colloids for subsurface transport experiments. Electrophoretic mobility measurements showed that coating with silica imparted surface properties similar to pure silica to the tita...
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| Veröffentlicht in: | Environmental science & technology 2000-05, Vol.34 (10), p.2000-2005 |
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| container_end_page | 2005 |
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| container_issue | 10 |
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| container_title | Environmental science & technology |
| container_volume | 34 |
| creator | Ryan, Joseph N Elimelech, Menachem Baeseman, Jenny L Magelky, Robin D |
| description | Silica-coated titania (TiO2) and zirconia (ZrO2) colloids were synthesized in two sizes to provide easily traced mineral colloids for subsurface transport experiments. Electrophoretic mobility measurements showed that coating with silica imparted surface properties similar to pure silica to the titania and zirconia colloids. Measurements of steady electrophoretic mobility and size (by dynamic light scattering) over a 90-day period showed that the silica-coated colloids were stable to aggregation and loss of coating. A natural gradient field experiment conducted in an iron oxide-coated sand and gravel aquifer also showed that the surface properties of the silica-coated colloids were similar. Colloid transport was traced at μg L-1 concentrations by inductively coupled plasma-atomic emission spectroscopy measurement of Ti and Zr in acidified samples. |
| doi_str_mv | 10.1021/es9909531 |
| format | Article |
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Electrophoretic mobility measurements showed that coating with silica imparted surface properties similar to pure silica to the titania and zirconia colloids. Measurements of steady electrophoretic mobility and size (by dynamic light scattering) over a 90-day period showed that the silica-coated colloids were stable to aggregation and loss of coating. A natural gradient field experiment conducted in an iron oxide-coated sand and gravel aquifer also showed that the surface properties of the silica-coated colloids were similar. Colloid transport was traced at μg L-1 concentrations by inductively coupled plasma-atomic emission spectroscopy measurement of Ti and Zr in acidified samples.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es9909531</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Applied sciences ; COATINGS ; COLLOIDS ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Environmental monitoring ; ENVIRONMENTAL SCIENCES ; ENVIRONMENTAL TRANSPORT ; Exact sciences and technology ; FIELD TESTS ; GROUND WATER ; Groundwaters ; Minerals ; Natural water pollution ; Pollutants ; Pollution ; Pollution, environment geology ; SILICA ; TITANIUM ; Trace elements ; WATER POLLUTION ; Water treatment and pollution ; ZIRCONIUM</subject><ispartof>Environmental science & technology, 2000-05, Vol.34 (10), p.2000-2005</ispartof><rights>Copyright © 2000 American Chemical Society</rights><rights>2000 INIST-CNRS</rights><rights>Copyright American Chemical Society May 15, 2000</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a402t-1eede970a7bcebfae9a0fe9a1abc7600b7fbf9eca0867999faca4f72fa4e0c473</citedby><cites>FETCH-LOGICAL-a402t-1eede970a7bcebfae9a0fe9a1abc7600b7fbf9eca0867999faca4f72fa4e0c473</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es9909531$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es9909531$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>230,314,776,780,881,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1353630$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/20080460$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Ryan, Joseph N</creatorcontrib><creatorcontrib>Elimelech, Menachem</creatorcontrib><creatorcontrib>Baeseman, Jenny L</creatorcontrib><creatorcontrib>Magelky, Robin D</creatorcontrib><creatorcontrib>Univ. of Colorado, Boulder, CO (US)</creatorcontrib><title>Silica-Coated Titania and Zirconia Colloids for Subsurface Transport Field Experiments</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Silica-coated titania (TiO2) and zirconia (ZrO2) colloids were synthesized in two sizes to provide easily traced mineral colloids for subsurface transport experiments. Electrophoretic mobility measurements showed that coating with silica imparted surface properties similar to pure silica to the titania and zirconia colloids. Measurements of steady electrophoretic mobility and size (by dynamic light scattering) over a 90-day period showed that the silica-coated colloids were stable to aggregation and loss of coating. A natural gradient field experiment conducted in an iron oxide-coated sand and gravel aquifer also showed that the surface properties of the silica-coated colloids were similar. Colloid transport was traced at μg L-1 concentrations by inductively coupled plasma-atomic emission spectroscopy measurement of Ti and Zr in acidified samples.</description><subject>Applied sciences</subject><subject>COATINGS</subject><subject>COLLOIDS</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Environmental monitoring</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>ENVIRONMENTAL TRANSPORT</subject><subject>Exact sciences and technology</subject><subject>FIELD TESTS</subject><subject>GROUND WATER</subject><subject>Groundwaters</subject><subject>Minerals</subject><subject>Natural water pollution</subject><subject>Pollutants</subject><subject>Pollution</subject><subject>Pollution, environment geology</subject><subject>SILICA</subject><subject>TITANIUM</subject><subject>Trace elements</subject><subject>WATER POLLUTION</subject><subject>Water treatment and pollution</subject><subject>ZIRCONIUM</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNplkE9r3DAQxUVJoZu0h34D06aHHJyOLNuyjmXJPwgksNtk6UWM5RFV6lobSQvpt68Wh-SQiwah37z39Bj7zOGUQ8W_U1QKVCP4O7bgTQVl0zX8gC0AuCiVaDcf2GGMDwBQCegW7G7lRmewXHpMNBRrl3ByWOA0FL9cMH5_Wfpx9G6IhfWhWO36uAsWDRXrgFPc-pCKc0fjUJw9bSm4vzSl-JG9tzhG-vQ8j9jP87P18rK8vrm4Wv64LrGGKpWcaCAlAWVvqLdICsHmg2NvZAvQS9tbRQaha6VSKttibWVlsSYwtRRH7Ous62NyOhqXyPzOqScySVcAHdQtZOrLTG2Df9xRTPrB78KUg-ncAhc1r_ZSJzNkgo8xkNXb_BkM_zQHve9Wv3Sb2eNnQYwGR5uLMC6-LohGtGLvW86Yi4meXp4x_NGtFLLR69uV3sjuvru_vdObzH-beTTxNeJb-_8ZtJSG</recordid><startdate>20000515</startdate><enddate>20000515</enddate><creator>Ryan, Joseph N</creator><creator>Elimelech, Menachem</creator><creator>Baeseman, Jenny L</creator><creator>Magelky, Robin D</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>OTOTI</scope></search><sort><creationdate>20000515</creationdate><title>Silica-Coated Titania and Zirconia Colloids for Subsurface Transport Field Experiments</title><author>Ryan, Joseph N ; Elimelech, Menachem ; Baeseman, Jenny L ; Magelky, Robin D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a402t-1eede970a7bcebfae9a0fe9a1abc7600b7fbf9eca0867999faca4f72fa4e0c473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>COATINGS</topic><topic>COLLOIDS</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Environmental monitoring</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>ENVIRONMENTAL TRANSPORT</topic><topic>Exact sciences and technology</topic><topic>FIELD TESTS</topic><topic>GROUND WATER</topic><topic>Groundwaters</topic><topic>Minerals</topic><topic>Natural water pollution</topic><topic>Pollutants</topic><topic>Pollution</topic><topic>Pollution, environment geology</topic><topic>SILICA</topic><topic>TITANIUM</topic><topic>Trace elements</topic><topic>WATER POLLUTION</topic><topic>Water treatment and pollution</topic><topic>ZIRCONIUM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ryan, Joseph N</creatorcontrib><creatorcontrib>Elimelech, Menachem</creatorcontrib><creatorcontrib>Baeseman, Jenny L</creatorcontrib><creatorcontrib>Magelky, Robin D</creatorcontrib><creatorcontrib>Univ. of Colorado, Boulder, CO (US)</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ryan, Joseph N</au><au>Elimelech, Menachem</au><au>Baeseman, Jenny L</au><au>Magelky, Robin D</au><aucorp>Univ. of Colorado, Boulder, CO (US)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Silica-Coated Titania and Zirconia Colloids for Subsurface Transport Field Experiments</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2000-05-15</date><risdate>2000</risdate><volume>34</volume><issue>10</issue><spage>2000</spage><epage>2005</epage><pages>2000-2005</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Silica-coated titania (TiO2) and zirconia (ZrO2) colloids were synthesized in two sizes to provide easily traced mineral colloids for subsurface transport experiments. Electrophoretic mobility measurements showed that coating with silica imparted surface properties similar to pure silica to the titania and zirconia colloids. Measurements of steady electrophoretic mobility and size (by dynamic light scattering) over a 90-day period showed that the silica-coated colloids were stable to aggregation and loss of coating. A natural gradient field experiment conducted in an iron oxide-coated sand and gravel aquifer also showed that the surface properties of the silica-coated colloids were similar. Colloid transport was traced at μg L-1 concentrations by inductively coupled plasma-atomic emission spectroscopy measurement of Ti and Zr in acidified samples.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/es9909531</doi><tpages>6</tpages></addata></record> |
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| source | American Chemical Society Journals |
| subjects | Applied sciences COATINGS COLLOIDS Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Environmental monitoring ENVIRONMENTAL SCIENCES ENVIRONMENTAL TRANSPORT Exact sciences and technology FIELD TESTS GROUND WATER Groundwaters Minerals Natural water pollution Pollutants Pollution Pollution, environment geology SILICA TITANIUM Trace elements WATER POLLUTION Water treatment and pollution ZIRCONIUM |
| title | Silica-Coated Titania and Zirconia Colloids for Subsurface Transport Field Experiments |
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