Method development for the characterization of biofuel intermediate products using gas chromatography with simultaneous mass spectrometric and flame ionization detections
► A GC–FID/MS method for biofuels and their intermediate products was developed. ► The method was based on parallel identification using MS and quantification with FID. ► The quantification accounted for unidentified, unresolved, and acidic species. ► The PTV injection conditions were optimized to m...
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creator | Šťávová, Jana Stahl, Danese C. Seames, Wayne S. Kubátová, Alena |
description | ► A GC–FID/MS method for biofuels and their intermediate products was developed. ► The method was based on parallel identification using MS and quantification with FID. ► The quantification accounted for unidentified, unresolved, and acidic species. ► The PTV injection conditions were optimized to minimize discrimination.
Accurate analytical methods are required to develop and evaluate the quality of new renewable transportation fuels and intermediate organic liquid products (OLPs). Unfortunately, existing methods developed for the detailed characterization of petroleum products, are not accurate for many of the OLPs generated from non-petroleum feedstocks. In this study, a method was developed and applied to the detailed characterization of complex OLPs formed during triacylglyceride (TG) pyrolysis which is the basis for generating one class of emerging biofuels. This method uses gas chromatography coupled simultaneously with flame ionization and mass spectrometry detectors (GC–FID/MS). The FID provided accurate quantification of carbonaceous species while MS enabled identification of unknown compounds. A programed temperature vaporizer using a 25
°C, 0.1
min, 720
°C
min
−1, 350
°C, 5
min temperature program is employed which minimizes compound discrimination better than the more commonly utilized split/splitless injector, as verified with injections at 250 and 350
°C. Two standard mixtures featuring over 150 components are used for accurate identification and a designed calibration standard accounts for compound discrimination at the injector and differing FID responses of various classes of compounds. This new method was used to identify and quantify over 250 species in OLPs generated from canola oil, soybean oil, and canola methyl ester (CME). In addition to hydrocarbons, the method was used to quantify polar (upon derivatization) and unidentified species, plus the unresolved complex mixture that has not typically been determined in previous studies. Repeatability of the analytical method was below 5% RSD for all individual components. Using this method, the mass balance was closed for samples derived from canola and soybean oil but only ca. 77
wt% of the OLP generated from CME could be characterized. The ability to close the mass balance depended on sample origin, demonstrating the need for an accurate quantification method for biofuels at various stages of production. |
doi_str_mv | 10.1016/j.chroma.2011.12.013 |
format | Article |
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Accurate analytical methods are required to develop and evaluate the quality of new renewable transportation fuels and intermediate organic liquid products (OLPs). Unfortunately, existing methods developed for the detailed characterization of petroleum products, are not accurate for many of the OLPs generated from non-petroleum feedstocks. In this study, a method was developed and applied to the detailed characterization of complex OLPs formed during triacylglyceride (TG) pyrolysis which is the basis for generating one class of emerging biofuels. This method uses gas chromatography coupled simultaneously with flame ionization and mass spectrometry detectors (GC–FID/MS). The FID provided accurate quantification of carbonaceous species while MS enabled identification of unknown compounds. A programed temperature vaporizer using a 25
°C, 0.1
min, 720
°C
min
−1, 350
°C, 5
min temperature program is employed which minimizes compound discrimination better than the more commonly utilized split/splitless injector, as verified with injections at 250 and 350
°C. Two standard mixtures featuring over 150 components are used for accurate identification and a designed calibration standard accounts for compound discrimination at the injector and differing FID responses of various classes of compounds. This new method was used to identify and quantify over 250 species in OLPs generated from canola oil, soybean oil, and canola methyl ester (CME). In addition to hydrocarbons, the method was used to quantify polar (upon derivatization) and unidentified species, plus the unresolved complex mixture that has not typically been determined in previous studies. Repeatability of the analytical method was below 5% RSD for all individual components. Using this method, the mass balance was closed for samples derived from canola and soybean oil but only ca. 77
wt% of the OLP generated from CME could be characterized. The ability to close the mass balance depended on sample origin, demonstrating the need for an accurate quantification method for biofuels at various stages of production.</description><identifier>ISSN: 0021-9673</identifier><identifier>EISSN: 1873-3778</identifier><identifier>DOI: 10.1016/j.chroma.2011.12.013</identifier><identifier>PMID: 22245174</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Biofuel ; Biofuels - analysis ; C (programming language) ; Canola Oil ; Canola oil methyl ester ; Carboxylic Acids - analysis ; Carboxylic Acids - chemistry ; Coronal mass ejection ; Fatty Acids, Monounsaturated - chemistry ; Flame Ionization - methods ; Fuels ; Gas chromatography ; Gas Chromatography-Mass Spectrometry - methods ; GC–FID ; GC–MS ; Glycerides - analysis ; Glycerides - chemistry ; Hot Temperature ; Hydrocarbons, Acyclic - analysis ; Hydrocarbons, Acyclic - chemistry ; Injectors ; Least-Squares Analysis ; Mathematical analysis ; Pyrolysis ; Reproducibility of Results ; Soybean Oil - chemistry ; Soybeans ; Triacylglycerides</subject><ispartof>Journal of Chromatography A, 2012-02, Vol.1224, p.79-88</ispartof><rights>2011 Elsevier B.V.</rights><rights>Copyright © 2011 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c427t-9794d4ec837fd052e41acef1839069e06a7ec2bb38dbfd0e89cc6a9c9ac24bc93</citedby><cites>FETCH-LOGICAL-c427t-9794d4ec837fd052e41acef1839069e06a7ec2bb38dbfd0e89cc6a9c9ac24bc93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0021967311017973$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22245174$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Šťávová, Jana</creatorcontrib><creatorcontrib>Stahl, Danese C.</creatorcontrib><creatorcontrib>Seames, Wayne S.</creatorcontrib><creatorcontrib>Kubátová, Alena</creatorcontrib><title>Method development for the characterization of biofuel intermediate products using gas chromatography with simultaneous mass spectrometric and flame ionization detections</title><title>Journal of Chromatography A</title><addtitle>J Chromatogr A</addtitle><description>► A GC–FID/MS method for biofuels and their intermediate products was developed. ► The method was based on parallel identification using MS and quantification with FID. ► The quantification accounted for unidentified, unresolved, and acidic species. ► The PTV injection conditions were optimized to minimize discrimination.
Accurate analytical methods are required to develop and evaluate the quality of new renewable transportation fuels and intermediate organic liquid products (OLPs). Unfortunately, existing methods developed for the detailed characterization of petroleum products, are not accurate for many of the OLPs generated from non-petroleum feedstocks. In this study, a method was developed and applied to the detailed characterization of complex OLPs formed during triacylglyceride (TG) pyrolysis which is the basis for generating one class of emerging biofuels. This method uses gas chromatography coupled simultaneously with flame ionization and mass spectrometry detectors (GC–FID/MS). The FID provided accurate quantification of carbonaceous species while MS enabled identification of unknown compounds. A programed temperature vaporizer using a 25
°C, 0.1
min, 720
°C
min
−1, 350
°C, 5
min temperature program is employed which minimizes compound discrimination better than the more commonly utilized split/splitless injector, as verified with injections at 250 and 350
°C. Two standard mixtures featuring over 150 components are used for accurate identification and a designed calibration standard accounts for compound discrimination at the injector and differing FID responses of various classes of compounds. This new method was used to identify and quantify over 250 species in OLPs generated from canola oil, soybean oil, and canola methyl ester (CME). In addition to hydrocarbons, the method was used to quantify polar (upon derivatization) and unidentified species, plus the unresolved complex mixture that has not typically been determined in previous studies. Repeatability of the analytical method was below 5% RSD for all individual components. Using this method, the mass balance was closed for samples derived from canola and soybean oil but only ca. 77
wt% of the OLP generated from CME could be characterized. The ability to close the mass balance depended on sample origin, demonstrating the need for an accurate quantification method for biofuels at various stages of production.</description><subject>Biofuel</subject><subject>Biofuels - analysis</subject><subject>C (programming language)</subject><subject>Canola Oil</subject><subject>Canola oil methyl ester</subject><subject>Carboxylic Acids - analysis</subject><subject>Carboxylic Acids - chemistry</subject><subject>Coronal mass ejection</subject><subject>Fatty Acids, Monounsaturated - chemistry</subject><subject>Flame Ionization - methods</subject><subject>Fuels</subject><subject>Gas chromatography</subject><subject>Gas Chromatography-Mass Spectrometry - methods</subject><subject>GC–FID</subject><subject>GC–MS</subject><subject>Glycerides - analysis</subject><subject>Glycerides - chemistry</subject><subject>Hot Temperature</subject><subject>Hydrocarbons, Acyclic - analysis</subject><subject>Hydrocarbons, Acyclic - chemistry</subject><subject>Injectors</subject><subject>Least-Squares Analysis</subject><subject>Mathematical analysis</subject><subject>Pyrolysis</subject><subject>Reproducibility of Results</subject><subject>Soybean Oil - chemistry</subject><subject>Soybeans</subject><subject>Triacylglycerides</subject><issn>0021-9673</issn><issn>1873-3778</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1u1TAQhS0EopfCGyDkJZsE_93Y3iChij-piA2sLcee3PgqiYPtFJVH4ilxlZYlrDyyvpkzcw5CLylpKaHdm3PrxhRn2zJCaUtZSyh_hA5USd5wKdVjdCCE0UZ3kl-gZzmfCaGSSPYUXTDGxJFKcUC_v0AZo8cebmCK6wxLwUNMuIyA3WiTdQVS-GVLiAuOA-5DHDaYcFjq_ww-2AJ4TdFvrmS85bCc8MlmvO9W4inZdbzFP0MZcQ7zNhW7QNwynm3OOK_gSgWhpOCwXTweJjsDrmIPmh5KZWqVn6Mng50yvLh_L9H3D--_XX1qrr9-_Hz17rpxgsnSaKmFF-AUl4MnRwaCWgcDVVyTTgPprATH-p4r31cAlHaus9pp65joneaX6PU-t571Y4NczByyg2naNze0E4xRJZT6P0oo0ezIOa2o2FGXYs4JBrOmMNt0W6E7rjNns5tm7gI1lJkaaG17da-w9dXuv00PCVbg7Q5AteQmQDLZBVhcjSZV44yP4d8KfwBqQrnq</recordid><startdate>20120210</startdate><enddate>20120210</enddate><creator>Šťávová, Jana</creator><creator>Stahl, Danese C.</creator><creator>Seames, Wayne S.</creator><creator>Kubátová, Alena</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20120210</creationdate><title>Method development for the characterization of biofuel intermediate products using gas chromatography with simultaneous mass spectrometric and flame ionization detections</title><author>Šťávová, Jana ; Stahl, Danese C. ; Seames, Wayne S. ; Kubátová, Alena</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c427t-9794d4ec837fd052e41acef1839069e06a7ec2bb38dbfd0e89cc6a9c9ac24bc93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Biofuel</topic><topic>Biofuels - analysis</topic><topic>C (programming language)</topic><topic>Canola Oil</topic><topic>Canola oil methyl ester</topic><topic>Carboxylic Acids - analysis</topic><topic>Carboxylic Acids - chemistry</topic><topic>Coronal mass ejection</topic><topic>Fatty Acids, Monounsaturated - chemistry</topic><topic>Flame Ionization - methods</topic><topic>Fuels</topic><topic>Gas chromatography</topic><topic>Gas Chromatography-Mass Spectrometry - methods</topic><topic>GC–FID</topic><topic>GC–MS</topic><topic>Glycerides - analysis</topic><topic>Glycerides - chemistry</topic><topic>Hot Temperature</topic><topic>Hydrocarbons, Acyclic - analysis</topic><topic>Hydrocarbons, Acyclic - chemistry</topic><topic>Injectors</topic><topic>Least-Squares Analysis</topic><topic>Mathematical analysis</topic><topic>Pyrolysis</topic><topic>Reproducibility of Results</topic><topic>Soybean Oil - chemistry</topic><topic>Soybeans</topic><topic>Triacylglycerides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Šťávová, Jana</creatorcontrib><creatorcontrib>Stahl, Danese C.</creatorcontrib><creatorcontrib>Seames, Wayne S.</creatorcontrib><creatorcontrib>Kubátová, Alena</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of Chromatography A</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Šťávová, Jana</au><au>Stahl, Danese C.</au><au>Seames, Wayne S.</au><au>Kubátová, Alena</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Method development for the characterization of biofuel intermediate products using gas chromatography with simultaneous mass spectrometric and flame ionization detections</atitle><jtitle>Journal of Chromatography A</jtitle><addtitle>J Chromatogr A</addtitle><date>2012-02-10</date><risdate>2012</risdate><volume>1224</volume><spage>79</spage><epage>88</epage><pages>79-88</pages><issn>0021-9673</issn><eissn>1873-3778</eissn><abstract>► A GC–FID/MS method for biofuels and their intermediate products was developed. ► The method was based on parallel identification using MS and quantification with FID. ► The quantification accounted for unidentified, unresolved, and acidic species. ► The PTV injection conditions were optimized to minimize discrimination.
Accurate analytical methods are required to develop and evaluate the quality of new renewable transportation fuels and intermediate organic liquid products (OLPs). Unfortunately, existing methods developed for the detailed characterization of petroleum products, are not accurate for many of the OLPs generated from non-petroleum feedstocks. In this study, a method was developed and applied to the detailed characterization of complex OLPs formed during triacylglyceride (TG) pyrolysis which is the basis for generating one class of emerging biofuels. This method uses gas chromatography coupled simultaneously with flame ionization and mass spectrometry detectors (GC–FID/MS). The FID provided accurate quantification of carbonaceous species while MS enabled identification of unknown compounds. A programed temperature vaporizer using a 25
°C, 0.1
min, 720
°C
min
−1, 350
°C, 5
min temperature program is employed which minimizes compound discrimination better than the more commonly utilized split/splitless injector, as verified with injections at 250 and 350
°C. Two standard mixtures featuring over 150 components are used for accurate identification and a designed calibration standard accounts for compound discrimination at the injector and differing FID responses of various classes of compounds. This new method was used to identify and quantify over 250 species in OLPs generated from canola oil, soybean oil, and canola methyl ester (CME). In addition to hydrocarbons, the method was used to quantify polar (upon derivatization) and unidentified species, plus the unresolved complex mixture that has not typically been determined in previous studies. Repeatability of the analytical method was below 5% RSD for all individual components. Using this method, the mass balance was closed for samples derived from canola and soybean oil but only ca. 77
wt% of the OLP generated from CME could be characterized. The ability to close the mass balance depended on sample origin, demonstrating the need for an accurate quantification method for biofuels at various stages of production.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>22245174</pmid><doi>10.1016/j.chroma.2011.12.013</doi><tpages>10</tpages></addata></record> |
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subjects | Biofuel Biofuels - analysis C (programming language) Canola Oil Canola oil methyl ester Carboxylic Acids - analysis Carboxylic Acids - chemistry Coronal mass ejection Fatty Acids, Monounsaturated - chemistry Flame Ionization - methods Fuels Gas chromatography Gas Chromatography-Mass Spectrometry - methods GC–FID GC–MS Glycerides - analysis Glycerides - chemistry Hot Temperature Hydrocarbons, Acyclic - analysis Hydrocarbons, Acyclic - chemistry Injectors Least-Squares Analysis Mathematical analysis Pyrolysis Reproducibility of Results Soybean Oil - chemistry Soybeans Triacylglycerides |
title | Method development for the characterization of biofuel intermediate products using gas chromatography with simultaneous mass spectrometric and flame ionization detections |
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