Surface area of clays
In view of the assumptions employed in obtaining them, the surface areas of clays derived from adsorption and from desorption isotherms of nitrogen are in remarkable agreement. There is, in general, striking accord between the value from the adsorption isotherm, derived by using the BET equation, an...
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| Veröffentlicht in: | Langmuir 1990-01, Vol.6 (1), p.122-124 |
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| creator | Murray, Robert S Quirk, James P |
| description | In view of the assumptions employed in obtaining them, the surface areas of clays derived from adsorption and from desorption isotherms of nitrogen are in remarkable agreement. There is, in general, striking accord between the value from the adsorption isotherm, derived by using the BET equation, and the value from analysis of the desorption isotherm, obtained by using the Kelvin equation, micropore analysis, or a simple extrapolation of the pore size data into the micropore region. The latter empirical method, originally proposed by Innes, seems not only successful in this regard but may also be justified in terms of micropore geometry. |
| doi_str_mv | 10.1021/la00091a018 |
| format | Article |
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Colloidal sols</subject><subject>Colloidal state and disperse state</subject><subject>DATA</subject><subject>ELEMENTS</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>INFORMATION</subject><subject>ISOTHERMS</subject><subject>MATERIALS SCIENCE</subject><subject>MATHEMATICAL MODELS</subject><subject>NITROGEN</subject><subject>NONMETALS</subject><subject>NUMERICAL DATA</subject><subject>SURFACE AREA</subject><subject>SURFACE PROPERTIES</subject><subject>THEORETICAL DATA</subject><issn>0743-7463</issn><issn>1520-5827</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNpt0E1LAzEQBuAgCtbqSbwXETzI6uQ7e5RirbT41XoOszHBrXW3JFuw_94tK8WDpznMMy8zQ8gphWsKjN4sEQByikDNHulRySCThul90gMteKaF4ofkKKXFlnGR98jZbB0DOj_A6HFQh4Fb4iYdk4OAy-RPfmufvI3u5sNxNn26fxjeTjPkUjdZEM4I6cCYNh6R-ULlOZOFEk57VQSHxbs0ogjIWFAgjfSKQgAKvDA597xPzrvcOjWlTa5svPtwdVV511jNgBkuW3TVIRfrlKIPdhXLL4wbS8Fuz7Z_zm71RadXmBwuQ8TKlWk3onJqwIiWZR0rU-O_d22Mn1ZprqWdP8_s5JG-jiejF0tbf9l5dMku6nWs2r_8u8APjThvgQ</recordid><startdate>19900101</startdate><enddate>19900101</enddate><creator>Murray, Robert S</creator><creator>Quirk, James P</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19900101</creationdate><title>Surface area of clays</title><author>Murray, Robert S ; Quirk, James P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a357t-f4c845c088074aa2eb69925b64c7e6bfcabd584bfa22f60585e610f0103b893e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>360602 - Other Materials- Structure & Phase Studies</topic><topic>360603 - Materials- Properties</topic><topic>ADSORPTION ISOTHERMS</topic><topic>CALCULATION METHODS</topic><topic>Chemistry</topic><topic>CLAYS</topic><topic>Colloidal gels. Colloidal sols</topic><topic>Colloidal state and disperse state</topic><topic>DATA</topic><topic>ELEMENTS</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>INFORMATION</topic><topic>ISOTHERMS</topic><topic>MATERIALS SCIENCE</topic><topic>MATHEMATICAL MODELS</topic><topic>NITROGEN</topic><topic>NONMETALS</topic><topic>NUMERICAL DATA</topic><topic>SURFACE AREA</topic><topic>SURFACE PROPERTIES</topic><topic>THEORETICAL DATA</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Murray, Robert S</creatorcontrib><creatorcontrib>Quirk, James P</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Langmuir</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Murray, Robert S</au><au>Quirk, James P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface area of clays</atitle><jtitle>Langmuir</jtitle><addtitle>Langmuir</addtitle><date>1990-01-01</date><risdate>1990</risdate><volume>6</volume><issue>1</issue><spage>122</spage><epage>124</epage><pages>122-124</pages><issn>0743-7463</issn><eissn>1520-5827</eissn><coden>LANGD5</coden><abstract>In view of the assumptions employed in obtaining them, the surface areas of clays derived from adsorption and from desorption isotherms of nitrogen are in remarkable agreement. There is, in general, striking accord between the value from the adsorption isotherm, derived by using the BET equation, and the value from analysis of the desorption isotherm, obtained by using the Kelvin equation, micropore analysis, or a simple extrapolation of the pore size data into the micropore region. The latter empirical method, originally proposed by Innes, seems not only successful in this regard but may also be justified in terms of micropore geometry.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/la00091a018</doi><tpages>3</tpages></addata></record> |
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| ispartof | Langmuir, 1990-01, Vol.6 (1), p.122-124 |
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| language | eng |
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| source | ACS Publications |
| subjects | 360602 - Other Materials- Structure & Phase Studies 360603 - Materials- Properties ADSORPTION ISOTHERMS CALCULATION METHODS Chemistry CLAYS Colloidal gels. Colloidal sols Colloidal state and disperse state DATA ELEMENTS Exact sciences and technology General and physical chemistry INFORMATION ISOTHERMS MATERIALS SCIENCE MATHEMATICAL MODELS NITROGEN NONMETALS NUMERICAL DATA SURFACE AREA SURFACE PROPERTIES THEORETICAL DATA |
| title | Surface area of clays |
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