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Adsorption of anionic surfactant sodium dodecyl sulfate onto alpha alumina with small surface area
Adsorption of sodium dodecyl sulfate (SDS) onto large α-alumina beads was systematically analyzed as functions of pH and NaCl concentration. The maximum adsorption density of SDS onto α-Al 2 O 3 increases with decreasing pH due to the increase in equilibrium surface charge. Adsorption isotherms at d...
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| Published in: | Colloid and polymer science 2015-01, Vol.293 (1), p.217-227 |
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| cites | cdi_FETCH-LOGICAL-c456t-f1e9a18432ed1c94670fbd3d6ecdea286a622c4365699172d9d053b6d6c951a13 |
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| container_title | Colloid and polymer science |
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| creator | Pham, Tien Duc Kobayashi, Motoyoshi Adachi, Yasuhisa |
| description | Adsorption of sodium dodecyl sulfate (SDS) onto large α-alumina beads was systematically analyzed as functions of pH and NaCl concentration. The maximum adsorption density of SDS onto α-Al
2
O
3
increases with decreasing pH due to the increase in equilibrium surface charge. Adsorption isotherms at different salt concentrations demonstrated a common intersection point (CIP) corresponding to charge neutralization. The obtained comprehensive data clarified the applicability of two-step adsorption and four-region models to describe the adsorption isotherms of SDS onto α-Al
2
O
3
beads. Also, proton adsorption isotherms upon SDS uptake onto α-Al
2
O
3
can be fitted by two-step adsorption model with almost the same parameters of surfactant adsorption for 0.001 and 0.01 M NaCl. Our finding indicates that proton adsorption takes place onto the adsorbed SDS. After passing through CIP, proton adsorption onto α-Al
2
O
3
increases at low ionic strength while the amount of proton adsorption does not change for 0.1 M NaCl. Adsorption amount of proton as a function of SDS adsorption shows that only hemimicelles are plausible for case of low ionic strength. The increase in the proton adsorption is not significant at high ionic strength, suggesting the presence of admicelles on the surface of α-Al
2
O
3
beads. |
| doi_str_mv | 10.1007/s00396-014-3409-3 |
| format | article |
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2
O
3
increases with decreasing pH due to the increase in equilibrium surface charge. Adsorption isotherms at different salt concentrations demonstrated a common intersection point (CIP) corresponding to charge neutralization. The obtained comprehensive data clarified the applicability of two-step adsorption and four-region models to describe the adsorption isotherms of SDS onto α-Al
2
O
3
beads. Also, proton adsorption isotherms upon SDS uptake onto α-Al
2
O
3
can be fitted by two-step adsorption model with almost the same parameters of surfactant adsorption for 0.001 and 0.01 M NaCl. Our finding indicates that proton adsorption takes place onto the adsorbed SDS. After passing through CIP, proton adsorption onto α-Al
2
O
3
increases at low ionic strength while the amount of proton adsorption does not change for 0.1 M NaCl. Adsorption amount of proton as a function of SDS adsorption shows that only hemimicelles are plausible for case of low ionic strength. The increase in the proton adsorption is not significant at high ionic strength, suggesting the presence of admicelles on the surface of α-Al
2
O
3
beads.</description><identifier>ISSN: 0303-402X</identifier><identifier>EISSN: 1435-1536</identifier><identifier>DOI: 10.1007/s00396-014-3409-3</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adsorption ; Beads ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Complex Fluids and Microfluidics ; Density ; Food Science ; Isotherms ; Mathematical models ; Nanotechnology and Microengineering ; Original Contribution ; Physical Chemistry ; Polymer Sciences ; Sodium dodecyl sulfate ; Soft and Granular Matter ; Strength ; Surface chemistry</subject><ispartof>Colloid and polymer science, 2015-01, Vol.293 (1), p.217-227</ispartof><rights>Springer-Verlag Berlin Heidelberg 2014</rights><rights>Springer-Verlag Berlin Heidelberg 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c456t-f1e9a18432ed1c94670fbd3d6ecdea286a622c4365699172d9d053b6d6c951a13</citedby><cites>FETCH-LOGICAL-c456t-f1e9a18432ed1c94670fbd3d6ecdea286a622c4365699172d9d053b6d6c951a13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Pham, Tien Duc</creatorcontrib><creatorcontrib>Kobayashi, Motoyoshi</creatorcontrib><creatorcontrib>Adachi, Yasuhisa</creatorcontrib><title>Adsorption of anionic surfactant sodium dodecyl sulfate onto alpha alumina with small surface area</title><title>Colloid and polymer science</title><addtitle>Colloid Polym Sci</addtitle><description>Adsorption of sodium dodecyl sulfate (SDS) onto large α-alumina beads was systematically analyzed as functions of pH and NaCl concentration. The maximum adsorption density of SDS onto α-Al
2
O
3
increases with decreasing pH due to the increase in equilibrium surface charge. Adsorption isotherms at different salt concentrations demonstrated a common intersection point (CIP) corresponding to charge neutralization. The obtained comprehensive data clarified the applicability of two-step adsorption and four-region models to describe the adsorption isotherms of SDS onto α-Al
2
O
3
beads. Also, proton adsorption isotherms upon SDS uptake onto α-Al
2
O
3
can be fitted by two-step adsorption model with almost the same parameters of surfactant adsorption for 0.001 and 0.01 M NaCl. Our finding indicates that proton adsorption takes place onto the adsorbed SDS. After passing through CIP, proton adsorption onto α-Al
2
O
3
increases at low ionic strength while the amount of proton adsorption does not change for 0.1 M NaCl. Adsorption amount of proton as a function of SDS adsorption shows that only hemimicelles are plausible for case of low ionic strength. The increase in the proton adsorption is not significant at high ionic strength, suggesting the presence of admicelles on the surface of α-Al
2
O
3
beads.</description><subject>Adsorption</subject><subject>Beads</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Complex Fluids and Microfluidics</subject><subject>Density</subject><subject>Food Science</subject><subject>Isotherms</subject><subject>Mathematical models</subject><subject>Nanotechnology and Microengineering</subject><subject>Original Contribution</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Sodium dodecyl sulfate</subject><subject>Soft and Granular Matter</subject><subject>Strength</subject><subject>Surface chemistry</subject><issn>0303-402X</issn><issn>1435-1536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhoMouK7-AG8BL16qkyad3Rxl8QsELwrewmySupW2WZMW8d-bpXsQwcvMwDzvMDyMnQu4EgCL6wQgNRYgVCEV6EIesJlQsipEJfGQzUCCLBSUb8fsJKUPAFAaccbWNy6FuB2a0PNQc-rz0FiexliTHagfeAquGTvugvP2u82btqbB89APgVO73VCuY9f0xL-aYcNTR227z3tO0dMpO6qpTf5s3-fs9e72ZfVQPD3fP65ungqrKhyKWnhNYqlk6Z2wWuEC6rWTDr11nsolEpalVRIr1FosSqcdVHKNDq2uBAk5Z5fT3W0Mn6NPg-maZH3bUu_DmIxABFhmWZDRiz_oRxhjn7_bUXKBqgTMlJgoG0NK0ddmG5uO4rcRYHbWzWTdZOtmZ93InCmnTMps_-7jr8v_hn4ABx2FIg</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Pham, Tien Duc</creator><creator>Kobayashi, Motoyoshi</creator><creator>Adachi, Yasuhisa</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</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>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7QF</scope><scope>7QQ</scope><scope>7U5</scope><scope>L7M</scope></search><sort><creationdate>20150101</creationdate><title>Adsorption of anionic surfactant sodium dodecyl sulfate onto alpha alumina with small surface area</title><author>Pham, Tien Duc ; 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The maximum adsorption density of SDS onto α-Al
2
O
3
increases with decreasing pH due to the increase in equilibrium surface charge. Adsorption isotherms at different salt concentrations demonstrated a common intersection point (CIP) corresponding to charge neutralization. The obtained comprehensive data clarified the applicability of two-step adsorption and four-region models to describe the adsorption isotherms of SDS onto α-Al
2
O
3
beads. Also, proton adsorption isotherms upon SDS uptake onto α-Al
2
O
3
can be fitted by two-step adsorption model with almost the same parameters of surfactant adsorption for 0.001 and 0.01 M NaCl. Our finding indicates that proton adsorption takes place onto the adsorbed SDS. After passing through CIP, proton adsorption onto α-Al
2
O
3
increases at low ionic strength while the amount of proton adsorption does not change for 0.1 M NaCl. Adsorption amount of proton as a function of SDS adsorption shows that only hemimicelles are plausible for case of low ionic strength. The increase in the proton adsorption is not significant at high ionic strength, suggesting the presence of admicelles on the surface of α-Al
2
O
3
beads.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00396-014-3409-3</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0303-402X |
| ispartof | Colloid and polymer science, 2015-01, Vol.293 (1), p.217-227 |
| issn | 0303-402X 1435-1536 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1660080070 |
| source | Springer Nature |
| subjects | Adsorption Beads Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Complex Fluids and Microfluidics Density Food Science Isotherms Mathematical models Nanotechnology and Microengineering Original Contribution Physical Chemistry Polymer Sciences Sodium dodecyl sulfate Soft and Granular Matter Strength Surface chemistry |
| title | Adsorption of anionic surfactant sodium dodecyl sulfate onto alpha alumina with small surface area |
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