The removal of Hg(II) ions from aqueous solutions by using thiol-functionalized cobalt ferrite magnetic nanoparticles
Mercaptopropyl-coated cobalt ferrite (CoFe 2 O 4 ) magnetic nanoparticles synthesized using the co-precipitation method and surface modified using the Stöber method were investigated as a convenient and effective adsorbent for aqueous Hg 2+ ions. The surfaces of the colloidal-CoFe 2 O 4 nanoparticle...
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| Veröffentlicht in: | Journal of sol-gel science and technology 2015-04, Vol.74 (1), p.199-207 |
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| creator | Viltužnik, Branka Lobnik, Aleksandra Košak, Aljoša |
| description | Mercaptopropyl-coated cobalt ferrite (CoFe
2
O
4
) magnetic nanoparticles synthesized using the co-precipitation method and surface modified using the Stöber method were investigated as a convenient and effective adsorbent for aqueous Hg
2+
ions. The surfaces of the colloidal-CoFe
2
O
4
nanoparticles were functionalized with tetraethoxysilane and 3-mercaptopropyltrimethoxysilane via the co-condensation process. The characteristics of these particles were assessed at different stages of the production process using X-ray diffraction, transmission electron microscopy, Fourier-transform infrared spectroscopy, and vibrating-sample magnetometry. The adsorption capacity of the mercaptopropyl-coated CoFe
2
O
4
nanoparticles with respect to the aqueous Hg
2+
ions was evaluated using atomic absorption spectrometer. It was found that the pH value of the model solution, the mass of the adsorbent, the temperature and the time of the adsorption significantly influence the sorption of Hg
2+
ions on the mercaptopropyl-coated cobalt ferrite nanoparticles. The maximum removal efficiency of the aqueous Hg
2+
ions was 97 % at room temperature and neutral pH value. |
| doi_str_mv | 10.1007/s10971-014-3596-x |
| format | Article |
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2
O
4
) magnetic nanoparticles synthesized using the co-precipitation method and surface modified using the Stöber method were investigated as a convenient and effective adsorbent for aqueous Hg
2+
ions. The surfaces of the colloidal-CoFe
2
O
4
nanoparticles were functionalized with tetraethoxysilane and 3-mercaptopropyltrimethoxysilane via the co-condensation process. The characteristics of these particles were assessed at different stages of the production process using X-ray diffraction, transmission electron microscopy, Fourier-transform infrared spectroscopy, and vibrating-sample magnetometry. The adsorption capacity of the mercaptopropyl-coated CoFe
2
O
4
nanoparticles with respect to the aqueous Hg
2+
ions was evaluated using atomic absorption spectrometer. It was found that the pH value of the model solution, the mass of the adsorbent, the temperature and the time of the adsorption significantly influence the sorption of Hg
2+
ions on the mercaptopropyl-coated cobalt ferrite nanoparticles. The maximum removal efficiency of the aqueous Hg
2+
ions was 97 % at room temperature and neutral pH value.</description><identifier>ISSN: 0928-0707</identifier><identifier>EISSN: 1573-4846</identifier><identifier>DOI: 10.1007/s10971-014-3596-x</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Adsorbents ; Adsorption ; Aqueous solutions ; Atomic absorption analysis ; Ceramics ; Chemistry and Materials Science ; Cobalt ferrites ; Composites ; Condensates ; Coprecipitation ; Fourier transforms ; Glass ; Inorganic Chemistry ; Magnetic measurement ; Materials Science ; Mercury (metal) ; Mercury compounds ; Nanoparticles ; Nanotechnology ; Natural Materials ; Optical and Electronic Materials ; Original Paper ; Sorption ; Surface chemistry ; Tetraethyl orthosilicate ; Transmission electron microscopy ; X-ray diffraction</subject><ispartof>Journal of sol-gel science and technology, 2015-04, Vol.74 (1), p.199-207</ispartof><rights>Springer Science+Business Media New York 2014</rights><rights>Journal of Sol-Gel Science and Technology is a copyright of Springer, (2014). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c456t-d688fdaadbb27a03b13f55db1d43555ad55a3ad5ca184926453e9ff7c7899bcb3</citedby><cites>FETCH-LOGICAL-c456t-d688fdaadbb27a03b13f55db1d43555ad55a3ad5ca184926453e9ff7c7899bcb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10971-014-3596-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10971-014-3596-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Viltužnik, Branka</creatorcontrib><creatorcontrib>Lobnik, Aleksandra</creatorcontrib><creatorcontrib>Košak, Aljoša</creatorcontrib><title>The removal of Hg(II) ions from aqueous solutions by using thiol-functionalized cobalt ferrite magnetic nanoparticles</title><title>Journal of sol-gel science and technology</title><addtitle>J Sol-Gel Sci Technol</addtitle><description>Mercaptopropyl-coated cobalt ferrite (CoFe
2
O
4
) magnetic nanoparticles synthesized using the co-precipitation method and surface modified using the Stöber method were investigated as a convenient and effective adsorbent for aqueous Hg
2+
ions. The surfaces of the colloidal-CoFe
2
O
4
nanoparticles were functionalized with tetraethoxysilane and 3-mercaptopropyltrimethoxysilane via the co-condensation process. The characteristics of these particles were assessed at different stages of the production process using X-ray diffraction, transmission electron microscopy, Fourier-transform infrared spectroscopy, and vibrating-sample magnetometry. The adsorption capacity of the mercaptopropyl-coated CoFe
2
O
4
nanoparticles with respect to the aqueous Hg
2+
ions was evaluated using atomic absorption spectrometer. It was found that the pH value of the model solution, the mass of the adsorbent, the temperature and the time of the adsorption significantly influence the sorption of Hg
2+
ions on the mercaptopropyl-coated cobalt ferrite nanoparticles. The maximum removal efficiency of the aqueous Hg
2+
ions was 97 % at room temperature and neutral pH value.</description><subject>Adsorbents</subject><subject>Adsorption</subject><subject>Aqueous solutions</subject><subject>Atomic absorption analysis</subject><subject>Ceramics</subject><subject>Chemistry and Materials Science</subject><subject>Cobalt ferrites</subject><subject>Composites</subject><subject>Condensates</subject><subject>Coprecipitation</subject><subject>Fourier transforms</subject><subject>Glass</subject><subject>Inorganic Chemistry</subject><subject>Magnetic measurement</subject><subject>Materials Science</subject><subject>Mercury (metal)</subject><subject>Mercury compounds</subject><subject>Nanoparticles</subject><subject>Nanotechnology</subject><subject>Natural Materials</subject><subject>Optical and Electronic Materials</subject><subject>Original Paper</subject><subject>Sorption</subject><subject>Surface chemistry</subject><subject>Tetraethyl orthosilicate</subject><subject>Transmission electron microscopy</subject><subject>X-ray diffraction</subject><issn>0928-0707</issn><issn>1573-4846</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kcFLwzAYxYMoOKd_gLeAl3mIJm3SNEcZ6gYDL_Mc0jTZOtJmJq1M_3pTJwiChy9fSH7vweMBcE3wHcGY30eCBScIE4pyJgp0OAETwniOaEmLUzDBIisR5pifg4sYdxhjRgmfgGG9NTCY1r8rB72Fi81subyFje8itMG3UL0Nxg8RRu-G_vu5-oBDbLoN7LeNd8gOnR4_lGs-TQ21r5TroTUhNL2Brdp0pm807FTn9yqkqzPxEpxZ5aK5-tlT8Pr0uJ4v0OrleTl_WCFNWdGjuihLWytVV1XGFc4rklvG6orUNGeMqTpNnk6tSElFVlCWG2Et17wUotJVPgWzo-8--JQj9rJtojbOqW4MJUlRMl4yKkRCb_6gOz-ElCrKLGOCUSbwSJEjpYOPMRgr96FpVfiQBMuxCHksQqYi5FiEPCRNdtTExHYbE36d_xd9AbL4jew</recordid><startdate>20150401</startdate><enddate>20150401</enddate><creator>Viltužnik, Branka</creator><creator>Lobnik, Aleksandra</creator><creator>Košak, Aljoša</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20150401</creationdate><title>The removal of Hg(II) ions from aqueous solutions by using thiol-functionalized cobalt ferrite magnetic nanoparticles</title><author>Viltužnik, Branka ; Lobnik, Aleksandra ; Košak, Aljoša</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c456t-d688fdaadbb27a03b13f55db1d43555ad55a3ad5ca184926453e9ff7c7899bcb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adsorbents</topic><topic>Adsorption</topic><topic>Aqueous solutions</topic><topic>Atomic absorption analysis</topic><topic>Ceramics</topic><topic>Chemistry and Materials Science</topic><topic>Cobalt ferrites</topic><topic>Composites</topic><topic>Condensates</topic><topic>Coprecipitation</topic><topic>Fourier transforms</topic><topic>Glass</topic><topic>Inorganic Chemistry</topic><topic>Magnetic measurement</topic><topic>Materials Science</topic><topic>Mercury (metal)</topic><topic>Mercury compounds</topic><topic>Nanoparticles</topic><topic>Nanotechnology</topic><topic>Natural Materials</topic><topic>Optical and Electronic Materials</topic><topic>Original Paper</topic><topic>Sorption</topic><topic>Surface chemistry</topic><topic>Tetraethyl orthosilicate</topic><topic>Transmission electron microscopy</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Viltužnik, Branka</creatorcontrib><creatorcontrib>Lobnik, Aleksandra</creatorcontrib><creatorcontrib>Košak, Aljoša</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of sol-gel science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Viltužnik, Branka</au><au>Lobnik, Aleksandra</au><au>Košak, Aljoša</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The removal of Hg(II) ions from aqueous solutions by using thiol-functionalized cobalt ferrite magnetic nanoparticles</atitle><jtitle>Journal of sol-gel science and technology</jtitle><stitle>J Sol-Gel Sci Technol</stitle><date>2015-04-01</date><risdate>2015</risdate><volume>74</volume><issue>1</issue><spage>199</spage><epage>207</epage><pages>199-207</pages><issn>0928-0707</issn><eissn>1573-4846</eissn><abstract>Mercaptopropyl-coated cobalt ferrite (CoFe
2
O
4
) magnetic nanoparticles synthesized using the co-precipitation method and surface modified using the Stöber method were investigated as a convenient and effective adsorbent for aqueous Hg
2+
ions. The surfaces of the colloidal-CoFe
2
O
4
nanoparticles were functionalized with tetraethoxysilane and 3-mercaptopropyltrimethoxysilane via the co-condensation process. The characteristics of these particles were assessed at different stages of the production process using X-ray diffraction, transmission electron microscopy, Fourier-transform infrared spectroscopy, and vibrating-sample magnetometry. The adsorption capacity of the mercaptopropyl-coated CoFe
2
O
4
nanoparticles with respect to the aqueous Hg
2+
ions was evaluated using atomic absorption spectrometer. It was found that the pH value of the model solution, the mass of the adsorbent, the temperature and the time of the adsorption significantly influence the sorption of Hg
2+
ions on the mercaptopropyl-coated cobalt ferrite nanoparticles. The maximum removal efficiency of the aqueous Hg
2+
ions was 97 % at room temperature and neutral pH value.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10971-014-3596-x</doi><tpages>9</tpages></addata></record> |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Adsorbents Adsorption Aqueous solutions Atomic absorption analysis Ceramics Chemistry and Materials Science Cobalt ferrites Composites Condensates Coprecipitation Fourier transforms Glass Inorganic Chemistry Magnetic measurement Materials Science Mercury (metal) Mercury compounds Nanoparticles Nanotechnology Natural Materials Optical and Electronic Materials Original Paper Sorption Surface chemistry Tetraethyl orthosilicate Transmission electron microscopy X-ray diffraction |
| title | The removal of Hg(II) ions from aqueous solutions by using thiol-functionalized cobalt ferrite magnetic nanoparticles |
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