Gas chromatographic retention characteristics of phenols with Superox-20M
The gas chromatographic retention characteristics of a variety of underivatized phenols have been studied by using Superox-20M coated on fused silica. The relative retention times of thes compounds were measured at 160, 150, and 140/sup 0/C in order to determine the effect of operating temperature o...
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| Veröffentlicht in: | Anal. Chem.; (United States) 1982-08, Vol.54 (9), p.1564-1570 |
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| container_title | Anal. Chem.; (United States) |
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| creator | White, Curt M Li, Norman C |
| description | The gas chromatographic retention characteristics of a variety of underivatized phenols have been studied by using Superox-20M coated on fused silica. The relative retention times of thes compounds were measured at 160, 150, and 140/sup 0/C in order to determine the effect of operating temperature on relative retention. This information is used to predict relative retention times of phenols for which we had no standards. The linear temperature-programmed retention indexes of the solutes were measured. The retention of phenols on this phase is a function of the compounds vapor pressure, its ability to hydrogen bond with the stationary phase, and the strengths of those hydrogen bonds. These properties are in turn governed by steric, inductive, and resonance effects of the substituents. Linear free-energy relations between the logarithm of the ratio of the activity coefficients of phenol to substituted phenol (calculated from relative retention data) and the chromatographic substituent constant, sigma/sub c/, have been determined for some phenols on Superox-20M. Lastly, it was shown by nuclear magnetic resonance experiments that Superox-20M is apparently a poly(ethylene glycol) (also called a polyoxiran or poly(ethylene oxide)). 5 figures, 3 tables. |
| doi_str_mv | 10.1021/ac00246a024 |
| format | Article |
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The relative retention times of thes compounds were measured at 160, 150, and 140/sup 0/C in order to determine the effect of operating temperature on relative retention. This information is used to predict relative retention times of phenols for which we had no standards. The linear temperature-programmed retention indexes of the solutes were measured. The retention of phenols on this phase is a function of the compounds vapor pressure, its ability to hydrogen bond with the stationary phase, and the strengths of those hydrogen bonds. These properties are in turn governed by steric, inductive, and resonance effects of the substituents. Linear free-energy relations between the logarithm of the ratio of the activity coefficients of phenol to substituted phenol (calculated from relative retention data) and the chromatographic substituent constant, sigma/sub c/, have been determined for some phenols on Superox-20M. Lastly, it was shown by nuclear magnetic resonance experiments that Superox-20M is apparently a poly(ethylene glycol) (also called a polyoxiran or poly(ethylene oxide)). 5 figures, 3 tables.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac00246a024</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>400105 - Separation Procedures ; AROMATICS ; CHALCOGENIDES ; CHROMATOGRAPHY ; COATINGS ; DATA ; DISPERSIONS ; EXPERIMENTAL DATA ; GAS CHROMATOGRAPHY ; HIGH TEMPERATURE ; HYDROXY COMPOUNDS ; INFORMATION ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; MINERALS ; MIXTURES ; NMR SPECTRA ; NUMERICAL DATA ; ORGANIC COMPOUNDS ; OXIDE MINERALS ; OXIDES ; OXYGEN COMPOUNDS ; PHENOLS ; SEPARATION PROCESSES ; SILICA ; SILICON COMPOUNDS ; SILICON OXIDES ; SPECTRA ; TEMPERATURE DEPENDENCE</subject><ispartof>Anal. 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Chem.; (United States)</title><addtitle>Anal. Chem</addtitle><description>The gas chromatographic retention characteristics of a variety of underivatized phenols have been studied by using Superox-20M coated on fused silica. The relative retention times of thes compounds were measured at 160, 150, and 140/sup 0/C in order to determine the effect of operating temperature on relative retention. This information is used to predict relative retention times of phenols for which we had no standards. The linear temperature-programmed retention indexes of the solutes were measured. The retention of phenols on this phase is a function of the compounds vapor pressure, its ability to hydrogen bond with the stationary phase, and the strengths of those hydrogen bonds. These properties are in turn governed by steric, inductive, and resonance effects of the substituents. Linear free-energy relations between the logarithm of the ratio of the activity coefficients of phenol to substituted phenol (calculated from relative retention data) and the chromatographic substituent constant, sigma/sub c/, have been determined for some phenols on Superox-20M. Lastly, it was shown by nuclear magnetic resonance experiments that Superox-20M is apparently a poly(ethylene glycol) (also called a polyoxiran or poly(ethylene oxide)). 5 figures, 3 tables.</description><subject>400105 - Separation Procedures</subject><subject>AROMATICS</subject><subject>CHALCOGENIDES</subject><subject>CHROMATOGRAPHY</subject><subject>COATINGS</subject><subject>DATA</subject><subject>DISPERSIONS</subject><subject>EXPERIMENTAL DATA</subject><subject>GAS CHROMATOGRAPHY</subject><subject>HIGH TEMPERATURE</subject><subject>HYDROXY COMPOUNDS</subject><subject>INFORMATION</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>MINERALS</subject><subject>MIXTURES</subject><subject>NMR SPECTRA</subject><subject>NUMERICAL DATA</subject><subject>ORGANIC COMPOUNDS</subject><subject>OXIDE MINERALS</subject><subject>OXIDES</subject><subject>OXYGEN COMPOUNDS</subject><subject>PHENOLS</subject><subject>SEPARATION PROCESSES</subject><subject>SILICA</subject><subject>SILICON COMPOUNDS</subject><subject>SILICON OXIDES</subject><subject>SPECTRA</subject><subject>TEMPERATURE DEPENDENCE</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1982</creationdate><recordtype>article</recordtype><recordid>eNpt0FFLwzAQB_AgCs7pk1-g-OKDVC9pk6aPMnROJgqbsrdwTVPbuTUjyXB-ezsq4oMvdw_347j7E3JO4ZoCozeoAVgqsCsHZEA5g1hIyQ7JAACSmGUAx-TE-yUApUDFgEzG6CNdO7vGYN8dbupGR84E04bGtt0EHepgXONDo31kq2hTm9aufPTZhDqabTfG2V3M4OmUHFW48ubspw_J6_3dfPQQT5_Hk9HtNMZEpCFOIdcJlVgArVIuWVaBTAsqclaAQeQ64ShZoTkUstQ5lEwIw8pKsoqXBZfJkFz0e213kvK6CUbX2rat0UGJJAdOaYeueqSd9d6ZSm1cs0b3pSiofVTqT1SdjnvdfWl2vxTdhxJZknE1f5kpeHxbPKVsofb-sveovVrarWu7h__d_A2mXXa8</recordid><startdate>19820801</startdate><enddate>19820801</enddate><creator>White, Curt M</creator><creator>Li, Norman C</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19820801</creationdate><title>Gas chromatographic retention characteristics of phenols with Superox-20M</title><author>White, Curt M ; Li, Norman C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a364t-409c318ab01f45827f084b1692b0eaa5c35a82bc50b8dc90d266e2df82f5db583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1982</creationdate><topic>400105 - Separation Procedures</topic><topic>AROMATICS</topic><topic>CHALCOGENIDES</topic><topic>CHROMATOGRAPHY</topic><topic>COATINGS</topic><topic>DATA</topic><topic>DISPERSIONS</topic><topic>EXPERIMENTAL DATA</topic><topic>GAS CHROMATOGRAPHY</topic><topic>HIGH TEMPERATURE</topic><topic>HYDROXY COMPOUNDS</topic><topic>INFORMATION</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>MINERALS</topic><topic>MIXTURES</topic><topic>NMR SPECTRA</topic><topic>NUMERICAL DATA</topic><topic>ORGANIC COMPOUNDS</topic><topic>OXIDE MINERALS</topic><topic>OXIDES</topic><topic>OXYGEN COMPOUNDS</topic><topic>PHENOLS</topic><topic>SEPARATION PROCESSES</topic><topic>SILICA</topic><topic>SILICON COMPOUNDS</topic><topic>SILICON OXIDES</topic><topic>SPECTRA</topic><topic>TEMPERATURE DEPENDENCE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>White, Curt M</creatorcontrib><creatorcontrib>Li, Norman C</creatorcontrib><creatorcontrib>Duquesne Univ., Pittsburgh, PA</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Anal. Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>White, Curt M</au><au>Li, Norman C</au><aucorp>Duquesne Univ., Pittsburgh, PA</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gas chromatographic retention characteristics of phenols with Superox-20M</atitle><jtitle>Anal. Chem.; (United States)</jtitle><addtitle>Anal. Chem</addtitle><date>1982-08-01</date><risdate>1982</risdate><volume>54</volume><issue>9</issue><spage>1564</spage><epage>1570</epage><pages>1564-1570</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><abstract>The gas chromatographic retention characteristics of a variety of underivatized phenols have been studied by using Superox-20M coated on fused silica. The relative retention times of thes compounds were measured at 160, 150, and 140/sup 0/C in order to determine the effect of operating temperature on relative retention. This information is used to predict relative retention times of phenols for which we had no standards. The linear temperature-programmed retention indexes of the solutes were measured. The retention of phenols on this phase is a function of the compounds vapor pressure, its ability to hydrogen bond with the stationary phase, and the strengths of those hydrogen bonds. These properties are in turn governed by steric, inductive, and resonance effects of the substituents. Linear free-energy relations between the logarithm of the ratio of the activity coefficients of phenol to substituted phenol (calculated from relative retention data) and the chromatographic substituent constant, sigma/sub c/, have been determined for some phenols on Superox-20M. Lastly, it was shown by nuclear magnetic resonance experiments that Superox-20M is apparently a poly(ethylene glycol) (also called a polyoxiran or poly(ethylene oxide)). 5 figures, 3 tables.</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/ac00246a024</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0003-2700 |
| ispartof | Anal. Chem.; (United States), 1982-08, Vol.54 (9), p.1564-1570 |
| issn | 0003-2700 1520-6882 |
| language | eng |
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| source | American Chemical Society Journals |
| subjects | 400105 - Separation Procedures AROMATICS CHALCOGENIDES CHROMATOGRAPHY COATINGS DATA DISPERSIONS EXPERIMENTAL DATA GAS CHROMATOGRAPHY HIGH TEMPERATURE HYDROXY COMPOUNDS INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY MINERALS MIXTURES NMR SPECTRA NUMERICAL DATA ORGANIC COMPOUNDS OXIDE MINERALS OXIDES OXYGEN COMPOUNDS PHENOLS SEPARATION PROCESSES SILICA SILICON COMPOUNDS SILICON OXIDES SPECTRA TEMPERATURE DEPENDENCE |
| title | Gas chromatographic retention characteristics of phenols with Superox-20M |
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