Interaction of metal ions with humic acids of brown coals of Kazakhstan
This paper investigates interaction processes of the Fe 3+ , Cu 2+ , Ni 2+ , and Co 2+ cations with humic acids isolated from brown coals of Ekibastuz basin. It was demonstrated that the sorption of heavy metal ions by humic acids (HA) depends on the concentration and nature of cations and decreases...
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| Veröffentlicht in: | Journal of experimental nanoscience 2020-01, Vol.15 (1), p.406-416 |
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| creator | Dauletbay, A. Serikbayev, B. A. Kamysbayev, D. Kh Kudreeva, L. K. |
| description | This paper investigates interaction processes of the Fe
3+
, Cu
2+
, Ni
2+
, and Co
2+
cations with humic acids isolated from brown coals of Ekibastuz basin. It was demonstrated that the sorption of heavy metal ions by humic acids (HA) depends on the concentration and nature of cations and decreases in the order of Fe
3+
> Cu
2+
> Ni
2+
> Co
2+
; while increase in the concentration of humic acids (HA) results in the higher yield of ions and metals. The occurrence of ion exchange and complexation reactions in metal-humic acid systems is confirmed by the appearance of new bands and the shift of the absorption bands corresponding to stretching and deformation vibrations of carboxylate ions, C = O and OH groups. The occurrence of these processes is also evidenced by spectrophotometric data, as well as a decrease in the pH of the solution due to deprotonation of humic acids during these reactions. Thus, based on the data on the degree of sorption of metal cations by humic acids, the results of infra-red spectroscopy and spectrophotometry, it can be concluded that the Fe
3+
, Ni
2+
, Co
2+
, Cu
2+
cations interact with HA by the ionic mechanism and by the complexation mechanism with electron-donating functional groups. Electrochemical studies of the Cu
2+
- humic acid system carried out by the method of cyclic voltammetry also indicate the occurrence of the interaction of humic acid with copper cations. Modification of humic acid with copper ions shows the electrochemical activity of copper immobilized on the surface of dispersed humic acid, which is important for the implementation of electrocatalytic reactions on modified glassy carbon-humic electrodes. |
| doi_str_mv | 10.1080/17458080.2020.1810240 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_crossref_primary_10_1080_17458080_2020_1810240</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><doaj_id>oai_doaj_org_article_9363ddd4acd7452ba5c4dd77a9d5f68e</doaj_id><sourcerecordid>2469746075</sourcerecordid><originalsourceid>FETCH-LOGICAL-c451t-f2c96de5074d9600935099e55258edee49daa4b2aecee3337a3105927a835cf23</originalsourceid><addsrcrecordid>eNp9UE1PAjEQ3RhNRPQnmGziGez2Y9veNESRSOJFz83QdqW4bLEtIfjrLR9y9DQzb2bevHlFcVuhYYUEuq84ZSInQ4xwhkSFMEVnRW-HDwSS8vyUC3RZXMW4QIhSwXivGE-6ZAPo5HxX-qZc2gRtmYtYblyal_P10ukStDNx154Fv-lK7aHdl6_wA1_zmKC7Li6aDNqbY-wXH89P76OXwfRtPBk9TgeasioNGqxlbSxDnBpZIyQJy_osY5gJa6yl0gDQGQarrSWEcCAVYhJzEITpBpN-MTnwGg8LtQpuCWGrPDi1B3z4VBCS061VktTEGENBm_w8ngHT1BjOQRrW1MJmrrsD1yr477WNSS38OnRZvsK0lpzWiLM8xQ5TOvgYg21OVyukdv6rP__Vzn919D_vPRz2XNf4sISND61RCbatD02ATruoyP8UvxroizA</addsrcrecordid><sourcetype>Open Website</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2469746075</pqid></control><display><type>article</type><title>Interaction of metal ions with humic acids of brown coals of Kazakhstan</title><source>Taylor & Francis Open Access</source><source>DOAJ Directory of Open Access Journals</source><source>EZB-FREE-00999 freely available EZB journals</source><creator>Dauletbay, A. ; Serikbayev, B. A. ; Kamysbayev, D. Kh ; Kudreeva, L. K.</creator><creatorcontrib>Dauletbay, A. ; Serikbayev, B. A. ; Kamysbayev, D. Kh ; Kudreeva, L. K.</creatorcontrib><description>This paper investigates interaction processes of the Fe
3+
, Cu
2+
, Ni
2+
, and Co
2+
cations with humic acids isolated from brown coals of Ekibastuz basin. It was demonstrated that the sorption of heavy metal ions by humic acids (HA) depends on the concentration and nature of cations and decreases in the order of Fe
3+
> Cu
2+
> Ni
2+
> Co
2+
; while increase in the concentration of humic acids (HA) results in the higher yield of ions and metals. The occurrence of ion exchange and complexation reactions in metal-humic acid systems is confirmed by the appearance of new bands and the shift of the absorption bands corresponding to stretching and deformation vibrations of carboxylate ions, C = O and OH groups. The occurrence of these processes is also evidenced by spectrophotometric data, as well as a decrease in the pH of the solution due to deprotonation of humic acids during these reactions. Thus, based on the data on the degree of sorption of metal cations by humic acids, the results of infra-red spectroscopy and spectrophotometry, it can be concluded that the Fe
3+
, Ni
2+
, Co
2+
, Cu
2+
cations interact with HA by the ionic mechanism and by the complexation mechanism with electron-donating functional groups. Electrochemical studies of the Cu
2+
- humic acid system carried out by the method of cyclic voltammetry also indicate the occurrence of the interaction of humic acid with copper cations. Modification of humic acid with copper ions shows the electrochemical activity of copper immobilized on the surface of dispersed humic acid, which is important for the implementation of electrocatalytic reactions on modified glassy carbon-humic electrodes.</description><identifier>ISSN: 1745-8080</identifier><identifier>EISSN: 1745-8099</identifier><identifier>DOI: 10.1080/17458080.2020.1810240</identifier><language>eng</language><publisher>Abingdon: Taylor & Francis</publisher><subject>Absorption spectra ; Acids ; Cations ; Cobalt ; Cobalt (II) ; Complexation ; Copper ; Copper (II) ; cyclic voltammetry ; Ferric ions ; Functional groups ; Glassy carbon ; Heavy metals ; Humic acids ; Ion exchange ; Ions ; iron (III) ; Metal ions ; modified glassy carbon electrode ; Nickel (II) ; Sorption ; Spectrophotometry</subject><ispartof>Journal of experimental nanoscience, 2020-01, Vol.15 (1), p.406-416</ispartof><rights>2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. 2020</rights><rights>2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This work is licensed under the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c451t-f2c96de5074d9600935099e55258edee49daa4b2aecee3337a3105927a835cf23</citedby><cites>FETCH-LOGICAL-c451t-f2c96de5074d9600935099e55258edee49daa4b2aecee3337a3105927a835cf23</cites><orcidid>0000-0003-0157-1449</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.1080/17458080.2020.1810240$$EPDF$$P50$$Ginformaworld$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.1080/17458080.2020.1810240$$EHTML$$P50$$Ginformaworld$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,864,2101,27501,27923,27924,59142,59143</link.rule.ids></links><search><creatorcontrib>Dauletbay, A.</creatorcontrib><creatorcontrib>Serikbayev, B. A.</creatorcontrib><creatorcontrib>Kamysbayev, D. Kh</creatorcontrib><creatorcontrib>Kudreeva, L. K.</creatorcontrib><title>Interaction of metal ions with humic acids of brown coals of Kazakhstan</title><title>Journal of experimental nanoscience</title><description>This paper investigates interaction processes of the Fe
3+
, Cu
2+
, Ni
2+
, and Co
2+
cations with humic acids isolated from brown coals of Ekibastuz basin. It was demonstrated that the sorption of heavy metal ions by humic acids (HA) depends on the concentration and nature of cations and decreases in the order of Fe
3+
> Cu
2+
> Ni
2+
> Co
2+
; while increase in the concentration of humic acids (HA) results in the higher yield of ions and metals. The occurrence of ion exchange and complexation reactions in metal-humic acid systems is confirmed by the appearance of new bands and the shift of the absorption bands corresponding to stretching and deformation vibrations of carboxylate ions, C = O and OH groups. The occurrence of these processes is also evidenced by spectrophotometric data, as well as a decrease in the pH of the solution due to deprotonation of humic acids during these reactions. Thus, based on the data on the degree of sorption of metal cations by humic acids, the results of infra-red spectroscopy and spectrophotometry, it can be concluded that the Fe
3+
, Ni
2+
, Co
2+
, Cu
2+
cations interact with HA by the ionic mechanism and by the complexation mechanism with electron-donating functional groups. Electrochemical studies of the Cu
2+
- humic acid system carried out by the method of cyclic voltammetry also indicate the occurrence of the interaction of humic acid with copper cations. Modification of humic acid with copper ions shows the electrochemical activity of copper immobilized on the surface of dispersed humic acid, which is important for the implementation of electrocatalytic reactions on modified glassy carbon-humic electrodes.</description><subject>Absorption spectra</subject><subject>Acids</subject><subject>Cations</subject><subject>Cobalt</subject><subject>Cobalt (II)</subject><subject>Complexation</subject><subject>Copper</subject><subject>Copper (II)</subject><subject>cyclic voltammetry</subject><subject>Ferric ions</subject><subject>Functional groups</subject><subject>Glassy carbon</subject><subject>Heavy metals</subject><subject>Humic acids</subject><subject>Ion exchange</subject><subject>Ions</subject><subject>iron (III)</subject><subject>Metal ions</subject><subject>modified glassy carbon electrode</subject><subject>Nickel (II)</subject><subject>Sorption</subject><subject>Spectrophotometry</subject><issn>1745-8080</issn><issn>1745-8099</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>0YH</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><sourceid>DOA</sourceid><recordid>eNp9UE1PAjEQ3RhNRPQnmGziGez2Y9veNESRSOJFz83QdqW4bLEtIfjrLR9y9DQzb2bevHlFcVuhYYUEuq84ZSInQ4xwhkSFMEVnRW-HDwSS8vyUC3RZXMW4QIhSwXivGE-6ZAPo5HxX-qZc2gRtmYtYblyal_P10ukStDNx154Fv-lK7aHdl6_wA1_zmKC7Li6aDNqbY-wXH89P76OXwfRtPBk9TgeasioNGqxlbSxDnBpZIyQJy_osY5gJa6yl0gDQGQarrSWEcCAVYhJzEITpBpN-MTnwGg8LtQpuCWGrPDi1B3z4VBCS061VktTEGENBm_w8ngHT1BjOQRrW1MJmrrsD1yr477WNSS38OnRZvsK0lpzWiLM8xQ5TOvgYg21OVyukdv6rP__Vzn919D_vPRz2XNf4sISND61RCbatD02ATruoyP8UvxroizA</recordid><startdate>20200101</startdate><enddate>20200101</enddate><creator>Dauletbay, A.</creator><creator>Serikbayev, B. A.</creator><creator>Kamysbayev, D. Kh</creator><creator>Kudreeva, L. K.</creator><general>Taylor & Francis</general><general>Taylor & Francis Ltd</general><general>Taylor & Francis Group</general><scope>0YH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TC</scope><scope>7XB</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>JG9</scope><scope>M2O</scope><scope>MBDVC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0003-0157-1449</orcidid></search><sort><creationdate>20200101</creationdate><title>Interaction of metal ions with humic acids of brown coals of Kazakhstan</title><author>Dauletbay, A. ; Serikbayev, B. A. ; Kamysbayev, D. Kh ; Kudreeva, L. K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c451t-f2c96de5074d9600935099e55258edee49daa4b2aecee3337a3105927a835cf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Absorption spectra</topic><topic>Acids</topic><topic>Cations</topic><topic>Cobalt</topic><topic>Cobalt (II)</topic><topic>Complexation</topic><topic>Copper</topic><topic>Copper (II)</topic><topic>cyclic voltammetry</topic><topic>Ferric ions</topic><topic>Functional groups</topic><topic>Glassy carbon</topic><topic>Heavy metals</topic><topic>Humic acids</topic><topic>Ion exchange</topic><topic>Ions</topic><topic>iron (III)</topic><topic>Metal ions</topic><topic>modified glassy carbon electrode</topic><topic>Nickel (II)</topic><topic>Sorption</topic><topic>Spectrophotometry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dauletbay, A.</creatorcontrib><creatorcontrib>Serikbayev, B. A.</creatorcontrib><creatorcontrib>Kamysbayev, D. Kh</creatorcontrib><creatorcontrib>Kudreeva, L. K.</creatorcontrib><collection>Taylor & Francis Open Access</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Mechanical Engineering Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>Materials Research Database</collection><collection>Research Library</collection><collection>Research Library (Corporate)</collection><collection>Publicly Available Content Database</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>ProQuest Central Basic</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Journal of experimental nanoscience</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dauletbay, A.</au><au>Serikbayev, B. A.</au><au>Kamysbayev, D. Kh</au><au>Kudreeva, L. K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interaction of metal ions with humic acids of brown coals of Kazakhstan</atitle><jtitle>Journal of experimental nanoscience</jtitle><date>2020-01-01</date><risdate>2020</risdate><volume>15</volume><issue>1</issue><spage>406</spage><epage>416</epage><pages>406-416</pages><issn>1745-8080</issn><eissn>1745-8099</eissn><abstract>This paper investigates interaction processes of the Fe
3+
, Cu
2+
, Ni
2+
, and Co
2+
cations with humic acids isolated from brown coals of Ekibastuz basin. It was demonstrated that the sorption of heavy metal ions by humic acids (HA) depends on the concentration and nature of cations and decreases in the order of Fe
3+
> Cu
2+
> Ni
2+
> Co
2+
; while increase in the concentration of humic acids (HA) results in the higher yield of ions and metals. The occurrence of ion exchange and complexation reactions in metal-humic acid systems is confirmed by the appearance of new bands and the shift of the absorption bands corresponding to stretching and deformation vibrations of carboxylate ions, C = O and OH groups. The occurrence of these processes is also evidenced by spectrophotometric data, as well as a decrease in the pH of the solution due to deprotonation of humic acids during these reactions. Thus, based on the data on the degree of sorption of metal cations by humic acids, the results of infra-red spectroscopy and spectrophotometry, it can be concluded that the Fe
3+
, Ni
2+
, Co
2+
, Cu
2+
cations interact with HA by the ionic mechanism and by the complexation mechanism with electron-donating functional groups. Electrochemical studies of the Cu
2+
- humic acid system carried out by the method of cyclic voltammetry also indicate the occurrence of the interaction of humic acid with copper cations. Modification of humic acid with copper ions shows the electrochemical activity of copper immobilized on the surface of dispersed humic acid, which is important for the implementation of electrocatalytic reactions on modified glassy carbon-humic electrodes.</abstract><cop>Abingdon</cop><pub>Taylor & Francis</pub><doi>10.1080/17458080.2020.1810240</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-0157-1449</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Taylor & Francis Open Access; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Absorption spectra Acids Cations Cobalt Cobalt (II) Complexation Copper Copper (II) cyclic voltammetry Ferric ions Functional groups Glassy carbon Heavy metals Humic acids Ion exchange Ions iron (III) Metal ions modified glassy carbon electrode Nickel (II) Sorption Spectrophotometry |
| title | Interaction of metal ions with humic acids of brown coals of Kazakhstan |
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