Aluminum incorporation into magnesium silicate hydrate (M-S-H)
The incorporation of aluminum in magnesium silicate hydrate (M-S-H) phases was investigated. Magnesium (alumino) silicate hydrate (M-(A-)S-H) with Mg/Si ratios equal to 1.1 or 1.7 and Al/Si ranging from 0 to 0.2 were synthetized in batch experiments and equilibrated at 20, 50 and 70 °C. pH values be...
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| Veröffentlicht in: | Cement and concrete research 2020-02, Vol.128, p.105931, Article 105931 |
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| creator | Bernard, E. Lothenbach, B. Cau-Dit-Coumes, C. Pochard, I. Rentsch, D. |
| description | The incorporation of aluminum in magnesium silicate hydrate (M-S-H) phases was investigated. Magnesium (alumino) silicate hydrate (M-(A-)S-H) with Mg/Si ratios equal to 1.1 or 1.7 and Al/Si ranging from 0 to 0.2 were synthetized in batch experiments and equilibrated at 20, 50 and 70 °C. pH values between 9 and 10.5 were observed and aluminum up to Al/Si ~0.15–0.18 was incorporated in M-(A-)S-H. Thermogravimetric analysis (TGA), X-ray diffraction (XRD), X-ray pair distribution function (PDF) analysis, transmission electron microscopy (TEM), 29Si and 27Al MAS NMR data showed that the M-(A-)S-H phases formed were similar to M-S-H with limited coherent size and a comparable polymerization degree of the tetrahedral silicates. Aluminum was incorporated in both tetrahedral and octahedral sites of M-S-H, while no aluminum was present as exchangeable cation on the surface sites. |
| doi_str_mv | 10.1016/j.cemconres.2019.105931 |
| format | Article |
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Magnesium (alumino) silicate hydrate (M-(A-)S-H) with Mg/Si ratios equal to 1.1 or 1.7 and Al/Si ranging from 0 to 0.2 were synthetized in batch experiments and equilibrated at 20, 50 and 70 °C. pH values between 9 and 10.5 were observed and aluminum up to Al/Si ~0.15–0.18 was incorporated in M-(A-)S-H. Thermogravimetric analysis (TGA), X-ray diffraction (XRD), X-ray pair distribution function (PDF) analysis, transmission electron microscopy (TEM), 29Si and 27Al MAS NMR data showed that the M-(A-)S-H phases formed were similar to M-S-H with limited coherent size and a comparable polymerization degree of the tetrahedral silicates. Aluminum was incorporated in both tetrahedral and octahedral sites of M-S-H, while no aluminum was present as exchangeable cation on the surface sites.</description><identifier>ISSN: 0008-8846</identifier><identifier>EISSN: 1873-3948</identifier><identifier>DOI: 10.1016/j.cemconres.2019.105931</identifier><language>eng</language><publisher>Elmsford: Elsevier Ltd</publisher><subject>Aluminum ; Cation exchanging ; Chemical Sciences ; Crystals ; Distribution functions ; Incorporation ; Magnesium silicates ; NMR spectroscopy ; Silicates ; Silicon ; Thermogravimetric analysis</subject><ispartof>Cement and concrete research, 2020-02, Vol.128, p.105931, Article 105931</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV Feb 2020</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c426t-b23820cc6656f07d1a51c9c3448fda6b9d4ca2a8b07f9ec8960a14ae2f5799383</citedby><cites>FETCH-LOGICAL-c426t-b23820cc6656f07d1a51c9c3448fda6b9d4ca2a8b07f9ec8960a14ae2f5799383</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.cemconres.2019.105931$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,315,781,785,886,3551,27926,27927,45997</link.rule.ids><backlink>$$Uhttps://hal.science/hal-02733444$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Bernard, E.</creatorcontrib><creatorcontrib>Lothenbach, B.</creatorcontrib><creatorcontrib>Cau-Dit-Coumes, C.</creatorcontrib><creatorcontrib>Pochard, I.</creatorcontrib><creatorcontrib>Rentsch, D.</creatorcontrib><title>Aluminum incorporation into magnesium silicate hydrate (M-S-H)</title><title>Cement and concrete research</title><description>The incorporation of aluminum in magnesium silicate hydrate (M-S-H) phases was investigated. Magnesium (alumino) silicate hydrate (M-(A-)S-H) with Mg/Si ratios equal to 1.1 or 1.7 and Al/Si ranging from 0 to 0.2 were synthetized in batch experiments and equilibrated at 20, 50 and 70 °C. pH values between 9 and 10.5 were observed and aluminum up to Al/Si ~0.15–0.18 was incorporated in M-(A-)S-H. Thermogravimetric analysis (TGA), X-ray diffraction (XRD), X-ray pair distribution function (PDF) analysis, transmission electron microscopy (TEM), 29Si and 27Al MAS NMR data showed that the M-(A-)S-H phases formed were similar to M-S-H with limited coherent size and a comparable polymerization degree of the tetrahedral silicates. Aluminum was incorporated in both tetrahedral and octahedral sites of M-S-H, while no aluminum was present as exchangeable cation on the surface sites.</description><subject>Aluminum</subject><subject>Cation exchanging</subject><subject>Chemical Sciences</subject><subject>Crystals</subject><subject>Distribution functions</subject><subject>Incorporation</subject><subject>Magnesium silicates</subject><subject>NMR spectroscopy</subject><subject>Silicates</subject><subject>Silicon</subject><subject>Thermogravimetric analysis</subject><issn>0008-8846</issn><issn>1873-3948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFUMtOwzAQtBBIlMI3UIkLPaT4Fce-IEUVUKQiDsDZch2HOkriYCeV-vc4CuqV02pnZ2Z3B4BbBFcIIvZQrbRptGu9CSsMkYhoKgg6AzPEM5IQQfk5mEEIecI5ZZfgKoQqtgwTPgOPeT00th2ahW21853zqreujV3vFo36bk2wcRhsbbXqzWJ_LPxY79-Sj2SzvAYXpaqDufmrc_D1_PS53iTb95fXdb5NNMWsT3ZxF4ZaM5ayEmYFUinSQhNKeVkothMF1QorvoNZKYzmgkGFqDK4TDMhCCdzsJx896qWnbeN8kfplJWbfCtHDOKMRDt6QJF7N3E7734GE3pZucG38TyJSUo5plxkkZVNLO1dCN6UJ1sE5RisrOQpWDkGK6dgozKflCY-fLDGy6CtabUprDe6l4Wz_3r8AibKg8E</recordid><startdate>202002</startdate><enddate>202002</enddate><creator>Bernard, E.</creator><creator>Lothenbach, B.</creator><creator>Cau-Dit-Coumes, C.</creator><creator>Pochard, I.</creator><creator>Rentsch, D.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>202002</creationdate><title>Aluminum incorporation into magnesium silicate hydrate (M-S-H)</title><author>Bernard, E. ; Lothenbach, B. ; Cau-Dit-Coumes, C. ; Pochard, I. ; Rentsch, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c426t-b23820cc6656f07d1a51c9c3448fda6b9d4ca2a8b07f9ec8960a14ae2f5799383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aluminum</topic><topic>Cation exchanging</topic><topic>Chemical Sciences</topic><topic>Crystals</topic><topic>Distribution functions</topic><topic>Incorporation</topic><topic>Magnesium silicates</topic><topic>NMR spectroscopy</topic><topic>Silicates</topic><topic>Silicon</topic><topic>Thermogravimetric analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bernard, E.</creatorcontrib><creatorcontrib>Lothenbach, B.</creatorcontrib><creatorcontrib>Cau-Dit-Coumes, C.</creatorcontrib><creatorcontrib>Pochard, I.</creatorcontrib><creatorcontrib>Rentsch, D.</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Cement and concrete research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bernard, E.</au><au>Lothenbach, B.</au><au>Cau-Dit-Coumes, C.</au><au>Pochard, I.</au><au>Rentsch, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Aluminum incorporation into magnesium silicate hydrate (M-S-H)</atitle><jtitle>Cement and concrete research</jtitle><date>2020-02</date><risdate>2020</risdate><volume>128</volume><spage>105931</spage><pages>105931-</pages><artnum>105931</artnum><issn>0008-8846</issn><eissn>1873-3948</eissn><abstract>The incorporation of aluminum in magnesium silicate hydrate (M-S-H) phases was investigated. Magnesium (alumino) silicate hydrate (M-(A-)S-H) with Mg/Si ratios equal to 1.1 or 1.7 and Al/Si ranging from 0 to 0.2 were synthetized in batch experiments and equilibrated at 20, 50 and 70 °C. pH values between 9 and 10.5 were observed and aluminum up to Al/Si ~0.15–0.18 was incorporated in M-(A-)S-H. Thermogravimetric analysis (TGA), X-ray diffraction (XRD), X-ray pair distribution function (PDF) analysis, transmission electron microscopy (TEM), 29Si and 27Al MAS NMR data showed that the M-(A-)S-H phases formed were similar to M-S-H with limited coherent size and a comparable polymerization degree of the tetrahedral silicates. Aluminum was incorporated in both tetrahedral and octahedral sites of M-S-H, while no aluminum was present as exchangeable cation on the surface sites.</abstract><cop>Elmsford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.cemconres.2019.105931</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Aluminum Cation exchanging Chemical Sciences Crystals Distribution functions Incorporation Magnesium silicates NMR spectroscopy Silicates Silicon Thermogravimetric analysis |
| title | Aluminum incorporation into magnesium silicate hydrate (M-S-H) |
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