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231223s2004 xx ||||| 00| ||eng c |
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|a eng
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| 100 |
1 |
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|a Zhu, Huai Yong
|e verfasserin
|4 aut
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|a Quantitative information on pore size distribution from the tangents of comparison plots
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 10.04.2006
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|a Date Revised 02.11.2004
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The comparison plot obtained from the nitrogen adsorption data has a similar shape to that of the curve of accumulating pore volume of a solid. The intrinsic nature of this relation is discussed. It is known that the derivatives of the accumulating pore volume with respect to the pore size are the pore size distribution (PSD) of the solid. Thus, the tangent curve of the comparison plot can display, at least qualitatively, the PSD of a solid, over a wide range of pore sizes (from approximately 1 to 50 nm) because the comparison plot is applicable to both micropores and mesopores. Quantitative pore structure information can be derived from the comparison plots by establishing a relationship between the t value and the pore size from the samples with uniform pore structure and known pore sizes, such as MCM-41 and alumina pillared clay samples. A calculation procedure to derive quantitative PSD from the comparison plots is suggested, giving reasonable results. This study proposes concise and reliable methods based on the comparison plots to derive information on pore structure in porous solids
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|a Journal Article
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|a Cool, Pegie
|e verfasserin
|4 aut
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|a Vansant, Etienne F
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Su, Bao Lian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Xueping
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 20(2004), 23 vom: 09. Nov., Seite 10115-22
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|x 0743-7463
|7 nnns
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|g volume:20
|g year:2004
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|g day:09
|g month:11
|g pages:10115-22
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