Standard

Nitrogen adsorption at ca. 77.4 K on partially hydrated and anhydrous α-Al 2 O 3. / Mel’gunov, Maxim S.; Ayupov, Artem B.; Krapivina, Elena A. et al.

In: Adsorption, Vol. 25, No. 3, 04.2019, p. 601-611.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Mel’gunov MS, Ayupov AB, Krapivina EA, Mel’gunova EA. Nitrogen adsorption at ca. 77.4 K on partially hydrated and anhydrous α-Al 2 O 3. Adsorption. 2019 Apr;25(3):601-611. doi: 10.1007/s10450-019-00055-z

Author

Mel’gunov, Maxim S. ; Ayupov, Artem B. ; Krapivina, Elena A. et al. / Nitrogen adsorption at ca. 77.4 K on partially hydrated and anhydrous α-Al 2 O 3. In: Adsorption. 2019 ; Vol. 25, No. 3. pp. 601-611.

BibTeX

@article{c299a3790bac41c98f9f873ec59ddd86,
title = "Nitrogen adsorption at ca. 77.4 K on partially hydrated and anhydrous α-Al 2 O 3",
abstract = " N 2 adsorption isotherms at ca. 77 K on macroporous α-Al 2 O 3 have been measured and analyzed in the frameworks of the classic thermodynamic approach, with independent experimental data obtained by means of SEM-EDX, XRD, TGA, helium pycnometry, and mercury porosimetry taken into account. It is shown, that presence of adsorbed water considerably influences N 2 adsorption, which gradually increases with temperature of the degas treatment. Simultaneously, the shape of the isotherms has a trend to change from Type II to Type VI, that assumes changing of adsorption mechanism from progressive increasing of the adsorbed layer thickness towards layer-by-layer adsorption. Corrected and smoothed isotherms are presented in the tabular form as reference for subsequent more comprehensive analysis using molecular statistical approaches. ",
keywords = "Alumina, Corundum, N, Reference adsorption, DISTRIBUTIONS, N-2, AREA, PORE SYSTEMS, SURFACE, CATALYSTS",
author = "Mel{\textquoteright}gunov, {Maxim S.} and Ayupov, {Artem B.} and Krapivina, {Elena A.} and Mel{\textquoteright}gunova, {Elena A.}",
year = "2019",
month = apr,
doi = "10.1007/s10450-019-00055-z",
language = "English",
volume = "25",
pages = "601--611",
journal = "Adsorption",
issn = "0929-5607",
publisher = "Springer Netherlands",
number = "3",

}

RIS

TY - JOUR

T1 - Nitrogen adsorption at ca. 77.4 K on partially hydrated and anhydrous α-Al 2 O 3

AU - Mel’gunov, Maxim S.

AU - Ayupov, Artem B.

AU - Krapivina, Elena A.

AU - Mel’gunova, Elena A.

PY - 2019/4

Y1 - 2019/4

N2 - N 2 adsorption isotherms at ca. 77 K on macroporous α-Al 2 O 3 have been measured and analyzed in the frameworks of the classic thermodynamic approach, with independent experimental data obtained by means of SEM-EDX, XRD, TGA, helium pycnometry, and mercury porosimetry taken into account. It is shown, that presence of adsorbed water considerably influences N 2 adsorption, which gradually increases with temperature of the degas treatment. Simultaneously, the shape of the isotherms has a trend to change from Type II to Type VI, that assumes changing of adsorption mechanism from progressive increasing of the adsorbed layer thickness towards layer-by-layer adsorption. Corrected and smoothed isotherms are presented in the tabular form as reference for subsequent more comprehensive analysis using molecular statistical approaches.

AB - N 2 adsorption isotherms at ca. 77 K on macroporous α-Al 2 O 3 have been measured and analyzed in the frameworks of the classic thermodynamic approach, with independent experimental data obtained by means of SEM-EDX, XRD, TGA, helium pycnometry, and mercury porosimetry taken into account. It is shown, that presence of adsorbed water considerably influences N 2 adsorption, which gradually increases with temperature of the degas treatment. Simultaneously, the shape of the isotherms has a trend to change from Type II to Type VI, that assumes changing of adsorption mechanism from progressive increasing of the adsorbed layer thickness towards layer-by-layer adsorption. Corrected and smoothed isotherms are presented in the tabular form as reference for subsequent more comprehensive analysis using molecular statistical approaches.

KW - Alumina

KW - Corundum

KW - N

KW - Reference adsorption

KW - DISTRIBUTIONS

KW - N-2

KW - AREA

KW - PORE SYSTEMS

KW - SURFACE

KW - CATALYSTS

UR - http://www.scopus.com/inward/record.url?scp=85062968317&partnerID=8YFLogxK

U2 - 10.1007/s10450-019-00055-z

DO - 10.1007/s10450-019-00055-z

M3 - Article

AN - SCOPUS:85062968317

VL - 25

SP - 601

EP - 611

JO - Adsorption

JF - Adsorption

SN - 0929-5607

IS - 3

ER -

ID: 18863954