An investigation of the use of size exclusion chromatography for the determination of molar mass distributions and fractionation of coal tars
The use of size exclusion chromatography (SEC) for the determination of molar mass distribution and fractionation of coal tars has been investigated. The construction of a calibration graph based on typical components of the tars for use in the determination of molar mass distributions has revealed...
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| Veröffentlicht in: | Fuel (Guildford) 1986-05, Vol.65 (5), p.694-703 |
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| container_title | Fuel (Guildford) |
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| creator | Evans, Nigel Haley, Terry M. Mulligan, Michael J. Thomas, K.Mark |
| description | The use of size exclusion chromatography (SEC) for the determination of molar mass distribution and fractionation of coal tars has been investigated. The construction of a calibration graph based on typical components of the tars for use in the determination of molar mass distributions has revealed anomalously low retention volumes for phenols and amines when THF is used as the mobile phase. Consequently the molar mass distribution for a tar with a high phenolic content was not reliable when determined in THF but chloroform was shown to be a suitable solvent for this purpose. However the effect was used to fractionate the tar into two components, one of which contained a mixture of mainly phenols and long chain paraffins while the other was composed predominantly of polynuclear aromatics. A coke oven tar of low phenolic content was also fractionated into two components according to molecular weight and the fractions characterised in detail. |
| doi_str_mv | 10.1016/0016-2361(86)90366-2 |
| format | Article |
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The construction of a calibration graph based on typical components of the tars for use in the determination of molar mass distributions has revealed anomalously low retention volumes for phenols and amines when THF is used as the mobile phase. Consequently the molar mass distribution for a tar with a high phenolic content was not reliable when determined in THF but chloroform was shown to be a suitable solvent for this purpose. However the effect was used to fractionate the tar into two components, one of which contained a mixture of mainly phenols and long chain paraffins while the other was composed predominantly of polynuclear aromatics. 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The construction of a calibration graph based on typical components of the tars for use in the determination of molar mass distributions has revealed anomalously low retention volumes for phenols and amines when THF is used as the mobile phase. Consequently the molar mass distribution for a tar with a high phenolic content was not reliable when determined in THF but chloroform was shown to be a suitable solvent for this purpose. However the effect was used to fractionate the tar into two components, one of which contained a mixture of mainly phenols and long chain paraffins while the other was composed predominantly of polynuclear aromatics. A coke oven tar of low phenolic content was also fractionated into two components according to molecular weight and the fractions characterised in detail.</description><subject>13C-n.m.r</subject><subject>Applied sciences</subject><subject>By products of carbonization</subject><subject>Coal and derived products</subject><subject>coal tars</subject><subject>Energy</subject><subject>Exact sciences and technology</subject><subject>fractionation</subject><subject>Fuels</subject><subject>g.c.-m.s</subject><subject>molar mass</subject><subject>Processing</subject><subject>size exclusion chromatography</subject><issn>0016-2361</issn><issn>1873-7153</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><recordid>eNp9kM1u3CAUhVGVSp1M-wZdsKiidOEWDAZ7EymKmh8pUjftGmF8yVDZZsrFUdN36DsXZ6JZZgMc7sdB5xDykbMvnHH1lZWlqoXi56363DGhinpDNrzVotK8ESdkc0TekVPEX4wx3TZyQ_5dzjTMj4A5PNgc4kyjp3kHdEFYjxj-AoU_blxwHbpdipPN8SHZ_e6J-pie4QEypCnMR4cpjjbRySLSIWBOoV_WEVI7D9Qn61Z1pF20I8024Xvy1tsR4cPLviU_r7_9uLqt7r_f3F1d3ldOKJkrrXwvbd20wnZW-9aLjjPta1b3vdStGLgH1rl2qKUUBWa1067c9MJL7UUjtuTs4LtP8fdSwpspoINxtDPEBU0tuWo0lwWUB9CliJjAm30Kk01PhjOzdm_WYs1arGmVee6-qC359OJv0dmxBJ5dwONb3TW80apgFwcMStbHAMmgCzA7GEICl80Qw-v__Acb-ZrF</recordid><startdate>19860501</startdate><enddate>19860501</enddate><creator>Evans, Nigel</creator><creator>Haley, Terry M.</creator><creator>Mulligan, Michael J.</creator><creator>Thomas, K.Mark</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>19860501</creationdate><title>An investigation of the use of size exclusion chromatography for the determination of molar mass distributions and fractionation of coal tars</title><author>Evans, Nigel ; Haley, Terry M. ; Mulligan, Michael J. ; Thomas, K.Mark</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-76fb4a2583a9a7f8f39107f202bb4783d1fe09c8d244376f02c7ce09b3f47f353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1986</creationdate><topic>13C-n.m.r</topic><topic>Applied sciences</topic><topic>By products of carbonization</topic><topic>Coal and derived products</topic><topic>coal tars</topic><topic>Energy</topic><topic>Exact sciences and technology</topic><topic>fractionation</topic><topic>Fuels</topic><topic>g.c.-m.s</topic><topic>molar mass</topic><topic>Processing</topic><topic>size exclusion chromatography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Evans, Nigel</creatorcontrib><creatorcontrib>Haley, Terry M.</creatorcontrib><creatorcontrib>Mulligan, Michael J.</creatorcontrib><creatorcontrib>Thomas, K.Mark</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>Fuel (Guildford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Evans, Nigel</au><au>Haley, Terry M.</au><au>Mulligan, Michael J.</au><au>Thomas, K.Mark</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An investigation of the use of size exclusion chromatography for the determination of molar mass distributions and fractionation of coal tars</atitle><jtitle>Fuel (Guildford)</jtitle><date>1986-05-01</date><risdate>1986</risdate><volume>65</volume><issue>5</issue><spage>694</spage><epage>703</epage><pages>694-703</pages><issn>0016-2361</issn><eissn>1873-7153</eissn><abstract>The use of size exclusion chromatography (SEC) for the determination of molar mass distribution and fractionation of coal tars has been investigated. The construction of a calibration graph based on typical components of the tars for use in the determination of molar mass distributions has revealed anomalously low retention volumes for phenols and amines when THF is used as the mobile phase. Consequently the molar mass distribution for a tar with a high phenolic content was not reliable when determined in THF but chloroform was shown to be a suitable solvent for this purpose. However the effect was used to fractionate the tar into two components, one of which contained a mixture of mainly phenols and long chain paraffins while the other was composed predominantly of polynuclear aromatics. A coke oven tar of low phenolic content was also fractionated into two components according to molecular weight and the fractions characterised in detail.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/0016-2361(86)90366-2</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0016-2361 |
| ispartof | Fuel (Guildford), 1986-05, Vol.65 (5), p.694-703 |
| issn | 0016-2361 1873-7153 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | 13C-n.m.r Applied sciences By products of carbonization Coal and derived products coal tars Energy Exact sciences and technology fractionation Fuels g.c.-m.s molar mass Processing size exclusion chromatography |
| title | An investigation of the use of size exclusion chromatography for the determination of molar mass distributions and fractionation of coal tars |
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