Thermodynamics of Hg2+ and Ag+ adsorption by 3-mercaptopropionic acid-functionalized superparamagnetic iron oxide nanoparticles
Superparamagnetic iron nanoparticles (SPION) have been functionalized with 3-mercaptopropionic acid (3-MPA), characterized and applied for the removal of Ag + , Hg 2+ and Pb 2+ metal ions from aqueous solutions by iron oxide (Fe 3 O 4 ). The heavy metal adsorption has been investigated by means of I...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2019-05, Vol.136 (3), p.1153-1162 |
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| creator | Lanas, Sara Gràcia Valiente, Manuel Tolazzi, Marilena Melchior, Andrea |
| description | Superparamagnetic iron nanoparticles (SPION) have been functionalized with 3-mercaptopropionic acid (3-MPA), characterized and applied for the removal of Ag
+
, Hg
2+
and Pb
2+
metal ions from aqueous solutions by iron oxide (Fe
3
O
4
). The heavy metal adsorption has been investigated by means of ICP-OES and isothermal titration calorimetry. Experimental data ware better fitted by Langmuir rather than Freundlich isotherms, and the thermodynamic parameters for the adsorption process of the metal ions on the functionalized SPION nanoparticles (SPION@3-MPA) were obtained. Isothermal titration calorimetry (ITC) is applied to monitor heavy metal adsorption on SPION@3-MPA: the process results to be exothermic for Hg
2+
and Ag
+
, while it is weakly endothermic in the case of Pb
2+
, and the adsorption enthalpies and entropies have been obtained. The values of the thermodynamic parameters suggest that the Ag
+
and Hg
2+
ions interact strongly with the thiol groups, while the Pb
2+
ions seem to be adsorbed by the material mostly via electrostatic interaction. When compared to other thiol-functionalized materials, the obtained SPION@3-MPA NP can be considered a competitive adsorbent for Ag
+
and Hg
2+
ions. The comparison between the ICP-OES adsorption rate and the enthalpy trend obtained by ITC supports shows that the latter technique can be a good tool for a fast testing of materials to be applied for heavy metal separation from solutions. |
| doi_str_mv | 10.1007/s10973-018-7763-0 |
| format | Article |
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+
, Hg
2+
and Pb
2+
metal ions from aqueous solutions by iron oxide (Fe
3
O
4
). The heavy metal adsorption has been investigated by means of ICP-OES and isothermal titration calorimetry. Experimental data ware better fitted by Langmuir rather than Freundlich isotherms, and the thermodynamic parameters for the adsorption process of the metal ions on the functionalized SPION nanoparticles (SPION@3-MPA) were obtained. Isothermal titration calorimetry (ITC) is applied to monitor heavy metal adsorption on SPION@3-MPA: the process results to be exothermic for Hg
2+
and Ag
+
, while it is weakly endothermic in the case of Pb
2+
, and the adsorption enthalpies and entropies have been obtained. The values of the thermodynamic parameters suggest that the Ag
+
and Hg
2+
ions interact strongly with the thiol groups, while the Pb
2+
ions seem to be adsorbed by the material mostly via electrostatic interaction. When compared to other thiol-functionalized materials, the obtained SPION@3-MPA NP can be considered a competitive adsorbent for Ag
+
and Hg
2+
ions. The comparison between the ICP-OES adsorption rate and the enthalpy trend obtained by ITC supports shows that the latter technique can be a good tool for a fast testing of materials to be applied for heavy metal separation from solutions.</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>DOI: 10.1007/s10973-018-7763-0</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Adsorption ; Analytical Chemistry ; Aqueous solutions ; Chemistry ; Chemistry and Materials Science ; Enthalpy ; Heat measurement ; Heavy metals ; Inorganic Chemistry ; Iron oxides ; Lead ; Measurement Science and Instrumentation ; Mercury (metal) ; Metal ions ; Nanoparticles ; Physical Chemistry ; Polymer Sciences ; Process parameters ; Silver ; Titration calorimetry</subject><ispartof>Journal of thermal analysis and calorimetry, 2019-05, Vol.136 (3), p.1153-1162</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2018</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c326t-4984a3b7f689133f1096a9f38bb379e6efaa0686d1e62e046340c4a47392b5b63</citedby><cites>FETCH-LOGICAL-c326t-4984a3b7f689133f1096a9f38bb379e6efaa0686d1e62e046340c4a47392b5b63</cites><orcidid>0000-0002-5265-1396</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-018-7763-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-018-7763-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids></links><search><creatorcontrib>Lanas, Sara Gràcia</creatorcontrib><creatorcontrib>Valiente, Manuel</creatorcontrib><creatorcontrib>Tolazzi, Marilena</creatorcontrib><creatorcontrib>Melchior, Andrea</creatorcontrib><title>Thermodynamics of Hg2+ and Ag+ adsorption by 3-mercaptopropionic acid-functionalized superparamagnetic iron oxide nanoparticles</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>Superparamagnetic iron nanoparticles (SPION) have been functionalized with 3-mercaptopropionic acid (3-MPA), characterized and applied for the removal of Ag
+
, Hg
2+
and Pb
2+
metal ions from aqueous solutions by iron oxide (Fe
3
O
4
). The heavy metal adsorption has been investigated by means of ICP-OES and isothermal titration calorimetry. Experimental data ware better fitted by Langmuir rather than Freundlich isotherms, and the thermodynamic parameters for the adsorption process of the metal ions on the functionalized SPION nanoparticles (SPION@3-MPA) were obtained. Isothermal titration calorimetry (ITC) is applied to monitor heavy metal adsorption on SPION@3-MPA: the process results to be exothermic for Hg
2+
and Ag
+
, while it is weakly endothermic in the case of Pb
2+
, and the adsorption enthalpies and entropies have been obtained. The values of the thermodynamic parameters suggest that the Ag
+
and Hg
2+
ions interact strongly with the thiol groups, while the Pb
2+
ions seem to be adsorbed by the material mostly via electrostatic interaction. When compared to other thiol-functionalized materials, the obtained SPION@3-MPA NP can be considered a competitive adsorbent for Ag
+
and Hg
2+
ions. The comparison between the ICP-OES adsorption rate and the enthalpy trend obtained by ITC supports shows that the latter technique can be a good tool for a fast testing of materials to be applied for heavy metal separation from solutions.</description><subject>Adsorption</subject><subject>Analytical Chemistry</subject><subject>Aqueous solutions</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Enthalpy</subject><subject>Heat measurement</subject><subject>Heavy metals</subject><subject>Inorganic Chemistry</subject><subject>Iron oxides</subject><subject>Lead</subject><subject>Measurement Science and Instrumentation</subject><subject>Mercury (metal)</subject><subject>Metal ions</subject><subject>Nanoparticles</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Process parameters</subject><subject>Silver</subject><subject>Titration calorimetry</subject><issn>1388-6150</issn><issn>1588-2926</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kEFLAzEQhYMoWKs_wFvAo0QnyTbZHEtRKwhe6jlks8m6pbtZk12wXvzrplTw5Gkek-89Jg-hawp3FEDeJwpKcgK0JFKKLE7QjC7KkjDFxGnWPGtBF3COLlLaAoBSQGfoe_PuYhfqfW-61iYcPF437BabvsbLJs86hTiMbehxtcecdC5aM4xhiGHIy9ZiY9ua-Km3B8js2i9X4zQNLg4mms40vRsz1cacED7b2uHe9CG_5e3OpUt05s0uuavfOUdvjw-b1Zq8vD49r5YvxHImRlKosjC8kl6UinLu82-FUZ6XVcWlcsJ5Y0CUoqZOMAeF4AXYwhSSK1YtKsHn6OaYmw__mFwa9TZMMd-bNGNQUs4kFJmiR8rGkFJ0Xg-x7Uzcawr60LM-9qxzz_rQs4bsYUdPymzfuPiX_L_pByDHgcI</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Lanas, Sara Gràcia</creator><creator>Valiente, Manuel</creator><creator>Tolazzi, Marilena</creator><creator>Melchior, Andrea</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-5265-1396</orcidid></search><sort><creationdate>20190501</creationdate><title>Thermodynamics of Hg2+ and Ag+ adsorption by 3-mercaptopropionic acid-functionalized superparamagnetic iron oxide nanoparticles</title><author>Lanas, Sara Gràcia ; Valiente, Manuel ; Tolazzi, Marilena ; Melchior, Andrea</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c326t-4984a3b7f689133f1096a9f38bb379e6efaa0686d1e62e046340c4a47392b5b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adsorption</topic><topic>Analytical Chemistry</topic><topic>Aqueous solutions</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Enthalpy</topic><topic>Heat measurement</topic><topic>Heavy metals</topic><topic>Inorganic Chemistry</topic><topic>Iron oxides</topic><topic>Lead</topic><topic>Measurement Science and Instrumentation</topic><topic>Mercury (metal)</topic><topic>Metal ions</topic><topic>Nanoparticles</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Process parameters</topic><topic>Silver</topic><topic>Titration calorimetry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lanas, Sara Gràcia</creatorcontrib><creatorcontrib>Valiente, Manuel</creatorcontrib><creatorcontrib>Tolazzi, Marilena</creatorcontrib><creatorcontrib>Melchior, Andrea</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lanas, Sara Gràcia</au><au>Valiente, Manuel</au><au>Tolazzi, Marilena</au><au>Melchior, Andrea</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermodynamics of Hg2+ and Ag+ adsorption by 3-mercaptopropionic acid-functionalized superparamagnetic iron oxide nanoparticles</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2019-05-01</date><risdate>2019</risdate><volume>136</volume><issue>3</issue><spage>1153</spage><epage>1162</epage><pages>1153-1162</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><abstract>Superparamagnetic iron nanoparticles (SPION) have been functionalized with 3-mercaptopropionic acid (3-MPA), characterized and applied for the removal of Ag
+
, Hg
2+
and Pb
2+
metal ions from aqueous solutions by iron oxide (Fe
3
O
4
). The heavy metal adsorption has been investigated by means of ICP-OES and isothermal titration calorimetry. Experimental data ware better fitted by Langmuir rather than Freundlich isotherms, and the thermodynamic parameters for the adsorption process of the metal ions on the functionalized SPION nanoparticles (SPION@3-MPA) were obtained. Isothermal titration calorimetry (ITC) is applied to monitor heavy metal adsorption on SPION@3-MPA: the process results to be exothermic for Hg
2+
and Ag
+
, while it is weakly endothermic in the case of Pb
2+
, and the adsorption enthalpies and entropies have been obtained. The values of the thermodynamic parameters suggest that the Ag
+
and Hg
2+
ions interact strongly with the thiol groups, while the Pb
2+
ions seem to be adsorbed by the material mostly via electrostatic interaction. When compared to other thiol-functionalized materials, the obtained SPION@3-MPA NP can be considered a competitive adsorbent for Ag
+
and Hg
2+
ions. The comparison between the ICP-OES adsorption rate and the enthalpy trend obtained by ITC supports shows that the latter technique can be a good tool for a fast testing of materials to be applied for heavy metal separation from solutions.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10973-018-7763-0</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-5265-1396</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adsorption Analytical Chemistry Aqueous solutions Chemistry Chemistry and Materials Science Enthalpy Heat measurement Heavy metals Inorganic Chemistry Iron oxides Lead Measurement Science and Instrumentation Mercury (metal) Metal ions Nanoparticles Physical Chemistry Polymer Sciences Process parameters Silver Titration calorimetry |
| title | Thermodynamics of Hg2+ and Ag+ adsorption by 3-mercaptopropionic acid-functionalized superparamagnetic iron oxide nanoparticles |
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