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Comparison of Textural Information from Argon (87 K) and Nitrogen (77 K) Physisorption
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SYSNO ASEP 0363303 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Comparison of Textural Information from Argon (87 K) and Nitrogen (77 K) Physisorption Author(s) Šolcová, Olga (UCHP-M) RID, ORCID, SAI
Matějová, Lenka (UCHP-M) RID, ORCID, SAI
Topka, Pavel (UCHP-M) RID, ORCID, SAI
Musilová, Zuzana (UFCH-W)
Schneider, Petr (UCHP-M) RIDSource Title Journal of Porous Materials. - : Springer - ISSN 1380-2224
Roč. 18, č. 5 (2011), s. 557-565Number of pages 9 s. Language eng - English Country NL - Netherlands Keywords nitrogen adsorption isotherm ; argon adsorption isotherm ; zsm-5 zeolite Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects GA104/09/0694 GA ČR - Czech Science Foundation (CSF) GP104/09/P290 GA ČR - Czech Science Foundation (CSF) KAN400720701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z40720504 - UCHP-M (2005-2011) AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000294565000005 DOI 10.1007/s10934-010-9409-x Annotation Argon (87 K) and nitrogen (77 K) adsorption of three types of porous samples (microporous, microporous-mesoporous and mesoporous) was evaluated. The shapes of isotherms, specific surface areas, mesopore-, micropore- and net pore volumes, pore-size distributions (PSD) and positions of micropore and mesopore PSD’s maxima were compared to ascertain the credibility of individual adsorbates for the texture information estimation. The shapes of adsorption isotherms for Ar and N2 of all samples are similar and the adsorbed amounts at relative pressure x = 0.975 differ slightly. For mesoporous samples some differences are observed between specific mesopore surface areas derived from nitrogen and argon isotherms. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2012
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