Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury Porosimetry
Several mechanistic and phenomenological aspects of mercury intrusion and nitrogen sorption processes involving some model and real mesoporous systems were studied. The experimental pore systems examined consisted of two substrates: (a) a globular solid composed of monodisperse silica spheres in a p...
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| Format: | Article |
| Language: | English |
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SAGE Publishing
2006-10-01
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| Series: | Adsorption Science & Technology |
| Online Access: | https://doi.org/10.1260/026361706781355019 |
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| author | Carlos Felipe Fernando Rojas Isaac Kornhauser Matthias Thommes Giorgio Zgrablich |
| author_facet | Carlos Felipe Fernando Rojas Isaac Kornhauser Matthias Thommes Giorgio Zgrablich |
| author_sort | Carlos Felipe |
| collection | DOAJ |
| description | Several mechanistic and phenomenological aspects of mercury intrusion and nitrogen sorption processes involving some model and real mesoporous systems were studied. The experimental pore systems examined consisted of two substrates: (a) a globular solid composed of monodisperse silica spheres in a perfect rhombohedral arrangement and (b) a controlled pore glass solid. Comparisons between the experimental nitrogen sorption and mercury porosimetry pore-size distributions demonstrated: (i) the existence of several mechanistic effects responsible of irreversible capillary behaviour that influences the calculation of pore structure parameters; (ii) the choice of the right sorption process (i.e. condensation or evaporation) suitable for comparison with either intrusion or extrusion results; (iii) the types of porous structures capable of convenient pore-size characterization by either nitrogen sorption and/or mercury porosimetry methods; and (iv) the nature of the pore entities (i.e. chambers or necks) that control the incumbent capillary process. |
| format | Article |
| id | doaj-art-a9cf7afee3c14858acbc5076f41b10d5 |
| institution | Kabale University |
| issn | 0263-6174 2048-4038 |
| language | English |
| publishDate | 2006-10-01 |
| publisher | SAGE Publishing |
| record_format | Article |
| series | Adsorption Science & Technology |
| spelling | doaj-art-a9cf7afee3c14858acbc5076f41b10d52025-02-03T10:07:33ZengSAGE PublishingAdsorption Science & Technology0263-61742048-40382006-10-012410.1260/026361706781355019Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury PorosimetryCarlos Felipe0Fernando Rojas1Isaac Kornhauser2Matthias Thommes3Giorgio Zgrablich4 Departamento de Fisicoquímica de Materiales, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Puebla 72000, México Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, P.O. Box 55-534, México D.F. 09340, México Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, P.O. Box 55-534, México D.F. 09340, México Quantachrome Instruments, 1900 Corporate Drive, Boynton Beach, FL 33426, U.S.A. Laboratorio de Ciencias de Superficies y Medios Porosos, Universidad Nacional de San Luis, San Luis 5400, ArgentinaSeveral mechanistic and phenomenological aspects of mercury intrusion and nitrogen sorption processes involving some model and real mesoporous systems were studied. The experimental pore systems examined consisted of two substrates: (a) a globular solid composed of monodisperse silica spheres in a perfect rhombohedral arrangement and (b) a controlled pore glass solid. Comparisons between the experimental nitrogen sorption and mercury porosimetry pore-size distributions demonstrated: (i) the existence of several mechanistic effects responsible of irreversible capillary behaviour that influences the calculation of pore structure parameters; (ii) the choice of the right sorption process (i.e. condensation or evaporation) suitable for comparison with either intrusion or extrusion results; (iii) the types of porous structures capable of convenient pore-size characterization by either nitrogen sorption and/or mercury porosimetry methods; and (iv) the nature of the pore entities (i.e. chambers or necks) that control the incumbent capillary process.https://doi.org/10.1260/026361706781355019 |
| spellingShingle | Carlos Felipe Fernando Rojas Isaac Kornhauser Matthias Thommes Giorgio Zgrablich Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury Porosimetry Adsorption Science & Technology |
| title | Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury Porosimetry |
| title_full | Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury Porosimetry |
| title_fullStr | Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury Porosimetry |
| title_full_unstemmed | Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury Porosimetry |
| title_short | Mechanistic and Experimental Aspects of the Structural Characterization of Some Model and Real Systems by Nitrogen Sorption and Mercury Porosimetry |
| title_sort | mechanistic and experimental aspects of the structural characterization of some model and real systems by nitrogen sorption and mercury porosimetry |
| url | https://doi.org/10.1260/026361706781355019 |
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