Kinetics of the reaction between methyl radicals and oxygen atoms between 294 and 900 K
The kinetics of the reaction of methyl radicals with oxygen atoms has been investigated in a heatable tubular reactor coupled to a photoionization mass spectrometer. The reactants (CH/sub 3/ and O(/sup 3/P)) were generated homogeneously in the reactor by the simultaneous in situ photolysis of aceton...
Gespeichert in:
| Veröffentlicht in: | J. Phys. Chem.; (United States) 1987-07, Vol.91 (16), p.4375-4379 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 4379 |
|---|---|
| container_issue | 16 |
| container_start_page | 4375 |
| container_title | J. Phys. Chem.; (United States) |
| container_volume | 91 |
| creator | Slagle, Irene R Sarzynski, Dariusz Gutman, David |
| description | The kinetics of the reaction of methyl radicals with oxygen atoms has been investigated in a heatable tubular reactor coupled to a photoionization mass spectrometer. The reactants (CH/sub 3/ and O(/sup 3/P)) were generated homogeneously in the reactor by the simultaneous in situ photolysis of acetone and SO/sub 2/. Initial conditions were always chosen to yield (O)/(CH/sub 3/)/sub 0/ > 20. The decay of CH/sub 3/ was monitored as a function of (O) to yield rate constants for the reaction O + CH/sub 3/ ..-->.. H/sub 2/CO + H at five temperatures between 294 and 900 K. The rate constant was found to be independent of temperature, having a value 1.4 x 10/sup -10/ cm/sup 3/ molecule/sup -1/ s/sup -1/, and also independent of density in the range used in this study, (3-24) x 10/sup 16/ molecule cm/sup -3/. The mechanism was verified by direct observations of H/sub 2/CO production. The new experimental method, which can be used to investigate many reactions of oxygen atoms with free radicals, is described in detail. |
| doi_str_mv | 10.1021/j100300a032 |
| format | Article |
| fullrecord | <record><control><sourceid>acs_osti_</sourceid><recordid>TN_cdi_crossref_primary_10_1021_j100300a032</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>b51407244</sourcerecordid><originalsourceid>FETCH-LOGICAL-a366t-fb13f325dd48b7841e311c31090172cd6e06529f680947c4e01a5faa30fd3afd3</originalsourceid><addsrcrecordid>eNpt0MFKAzEQBuAgCtbqyRcIXjzI6kySzXaPUtSKBcVWegxpNrGp7UY2Edu3d3WlePAwzGE-fpifkFOESwSGV0sE4AAaONsjPcwFZnkhYJ_0ABjLuMzFITmKcQkAyDn2yOzB1zZ5E2lwNC0sbaw2yYeazm36tLama5sW2xVtdOWNXkWq64qGzfa1PekU1nEHWSl-jiUAfTgmB67V9uR398nL7c10OMrGj3f3w-txprmUKXNz5I6zvKrEYF4MBFqOaDhCCVgwU0kLMmelkwMoRWGEBdS505qDq7hup0_OutwQk1fR-GTNwoS6tiYpiVwUA96iiw6ZJsTYWKfeG7_WzVYhqO_i1J_iWp112sdkNzuqmzclC17kavo0USCnMyifJ2rU-vPOaxPVMnw0dfvwv8lfkDd5FQ</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Kinetics of the reaction between methyl radicals and oxygen atoms between 294 and 900 K</title><source>ACS Publications</source><creator>Slagle, Irene R ; Sarzynski, Dariusz ; Gutman, David</creator><creatorcontrib>Slagle, Irene R ; Sarzynski, Dariusz ; Gutman, David ; Illinois Institute of Technology, Chicago</creatorcontrib><description>The kinetics of the reaction of methyl radicals with oxygen atoms has been investigated in a heatable tubular reactor coupled to a photoionization mass spectrometer. The reactants (CH/sub 3/ and O(/sup 3/P)) were generated homogeneously in the reactor by the simultaneous in situ photolysis of acetone and SO/sub 2/. Initial conditions were always chosen to yield (O)/(CH/sub 3/)/sub 0/ > 20. The decay of CH/sub 3/ was monitored as a function of (O) to yield rate constants for the reaction O + CH/sub 3/ ..-->.. H/sub 2/CO + H at five temperatures between 294 and 900 K. The rate constant was found to be independent of temperature, having a value 1.4 x 10/sup -10/ cm/sup 3/ molecule/sup -1/ s/sup -1/, and also independent of density in the range used in this study, (3-24) x 10/sup 16/ molecule cm/sup -3/. The mechanism was verified by direct observations of H/sub 2/CO production. The new experimental method, which can be used to investigate many reactions of oxygen atoms with free radicals, is described in detail.</description><identifier>ISSN: 0022-3654</identifier><identifier>EISSN: 1541-5740</identifier><identifier>DOI: 10.1021/j100300a032</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>400500 - Photochemistry ; 400800 - Combustion, Pyrolysis, & High-Temperature Chemistry ; ACETONE ; ALKYL RADICALS ; CHALCOGENIDES ; CHEMICAL PREPARATION ; CHEMICAL REACTION KINETICS ; CHEMICAL REACTION YIELD ; CHEMICAL REACTIONS ; DATA ; DECOMPOSITION ; ELEMENTS ; EXPERIMENTAL DATA ; HIGH TEMPERATURE ; INFORMATION ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; KETONES ; KINETICS ; MASS SPECTROSCOPY ; MEDIUM TEMPERATURE ; METHYL RADICALS ; NONMETALS ; NUMERICAL DATA ; ORGANIC COMPOUNDS ; OXIDES ; OXYGEN ; OXYGEN COMPOUNDS ; PHOTOCHEMICAL REACTIONS ; PHOTOLYSIS ; RADICALS ; REACTION KINETICS ; SPECTROSCOPY ; SULFUR COMPOUNDS ; SULFUR DIOXIDE ; SULFUR OXIDES ; SYNTHESIS ; YIELDS</subject><ispartof>J. Phys. Chem.; (United States), 1987-07, Vol.91 (16), p.4375-4379</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a366t-fb13f325dd48b7841e311c31090172cd6e06529f680947c4e01a5faa30fd3afd3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/j100300a032$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/j100300a032$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,885,2764,27075,27923,27924,56737,56787</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/6134783$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Slagle, Irene R</creatorcontrib><creatorcontrib>Sarzynski, Dariusz</creatorcontrib><creatorcontrib>Gutman, David</creatorcontrib><creatorcontrib>Illinois Institute of Technology, Chicago</creatorcontrib><title>Kinetics of the reaction between methyl radicals and oxygen atoms between 294 and 900 K</title><title>J. Phys. Chem.; (United States)</title><addtitle>J. Phys. Chem</addtitle><description>The kinetics of the reaction of methyl radicals with oxygen atoms has been investigated in a heatable tubular reactor coupled to a photoionization mass spectrometer. The reactants (CH/sub 3/ and O(/sup 3/P)) were generated homogeneously in the reactor by the simultaneous in situ photolysis of acetone and SO/sub 2/. Initial conditions were always chosen to yield (O)/(CH/sub 3/)/sub 0/ > 20. The decay of CH/sub 3/ was monitored as a function of (O) to yield rate constants for the reaction O + CH/sub 3/ ..-->.. H/sub 2/CO + H at five temperatures between 294 and 900 K. The rate constant was found to be independent of temperature, having a value 1.4 x 10/sup -10/ cm/sup 3/ molecule/sup -1/ s/sup -1/, and also independent of density in the range used in this study, (3-24) x 10/sup 16/ molecule cm/sup -3/. The mechanism was verified by direct observations of H/sub 2/CO production. The new experimental method, which can be used to investigate many reactions of oxygen atoms with free radicals, is described in detail.</description><subject>400500 - Photochemistry</subject><subject>400800 - Combustion, Pyrolysis, & High-Temperature Chemistry</subject><subject>ACETONE</subject><subject>ALKYL RADICALS</subject><subject>CHALCOGENIDES</subject><subject>CHEMICAL PREPARATION</subject><subject>CHEMICAL REACTION KINETICS</subject><subject>CHEMICAL REACTION YIELD</subject><subject>CHEMICAL REACTIONS</subject><subject>DATA</subject><subject>DECOMPOSITION</subject><subject>ELEMENTS</subject><subject>EXPERIMENTAL DATA</subject><subject>HIGH TEMPERATURE</subject><subject>INFORMATION</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>KETONES</subject><subject>KINETICS</subject><subject>MASS SPECTROSCOPY</subject><subject>MEDIUM TEMPERATURE</subject><subject>METHYL RADICALS</subject><subject>NONMETALS</subject><subject>NUMERICAL DATA</subject><subject>ORGANIC COMPOUNDS</subject><subject>OXIDES</subject><subject>OXYGEN</subject><subject>OXYGEN COMPOUNDS</subject><subject>PHOTOCHEMICAL REACTIONS</subject><subject>PHOTOLYSIS</subject><subject>RADICALS</subject><subject>REACTION KINETICS</subject><subject>SPECTROSCOPY</subject><subject>SULFUR COMPOUNDS</subject><subject>SULFUR DIOXIDE</subject><subject>SULFUR OXIDES</subject><subject>SYNTHESIS</subject><subject>YIELDS</subject><issn>0022-3654</issn><issn>1541-5740</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNpt0MFKAzEQBuAgCtbqyRcIXjzI6kySzXaPUtSKBcVWegxpNrGp7UY2Edu3d3WlePAwzGE-fpifkFOESwSGV0sE4AAaONsjPcwFZnkhYJ_0ABjLuMzFITmKcQkAyDn2yOzB1zZ5E2lwNC0sbaw2yYeazm36tLama5sW2xVtdOWNXkWq64qGzfa1PekU1nEHWSl-jiUAfTgmB67V9uR398nL7c10OMrGj3f3w-txprmUKXNz5I6zvKrEYF4MBFqOaDhCCVgwU0kLMmelkwMoRWGEBdS505qDq7hup0_OutwQk1fR-GTNwoS6tiYpiVwUA96iiw6ZJsTYWKfeG7_WzVYhqO_i1J_iWp112sdkNzuqmzclC17kavo0USCnMyifJ2rU-vPOaxPVMnw0dfvwv8lfkDd5FQ</recordid><startdate>19870701</startdate><enddate>19870701</enddate><creator>Slagle, Irene R</creator><creator>Sarzynski, Dariusz</creator><creator>Gutman, David</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19870701</creationdate><title>Kinetics of the reaction between methyl radicals and oxygen atoms between 294 and 900 K</title><author>Slagle, Irene R ; Sarzynski, Dariusz ; Gutman, David</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a366t-fb13f325dd48b7841e311c31090172cd6e06529f680947c4e01a5faa30fd3afd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><topic>400500 - Photochemistry</topic><topic>400800 - Combustion, Pyrolysis, & High-Temperature Chemistry</topic><topic>ACETONE</topic><topic>ALKYL RADICALS</topic><topic>CHALCOGENIDES</topic><topic>CHEMICAL PREPARATION</topic><topic>CHEMICAL REACTION KINETICS</topic><topic>CHEMICAL REACTION YIELD</topic><topic>CHEMICAL REACTIONS</topic><topic>DATA</topic><topic>DECOMPOSITION</topic><topic>ELEMENTS</topic><topic>EXPERIMENTAL DATA</topic><topic>HIGH TEMPERATURE</topic><topic>INFORMATION</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>KETONES</topic><topic>KINETICS</topic><topic>MASS SPECTROSCOPY</topic><topic>MEDIUM TEMPERATURE</topic><topic>METHYL RADICALS</topic><topic>NONMETALS</topic><topic>NUMERICAL DATA</topic><topic>ORGANIC COMPOUNDS</topic><topic>OXIDES</topic><topic>OXYGEN</topic><topic>OXYGEN COMPOUNDS</topic><topic>PHOTOCHEMICAL REACTIONS</topic><topic>PHOTOLYSIS</topic><topic>RADICALS</topic><topic>REACTION KINETICS</topic><topic>SPECTROSCOPY</topic><topic>SULFUR COMPOUNDS</topic><topic>SULFUR DIOXIDE</topic><topic>SULFUR OXIDES</topic><topic>SYNTHESIS</topic><topic>YIELDS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Slagle, Irene R</creatorcontrib><creatorcontrib>Sarzynski, Dariusz</creatorcontrib><creatorcontrib>Gutman, David</creatorcontrib><creatorcontrib>Illinois Institute of Technology, Chicago</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>J. Phys. Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Slagle, Irene R</au><au>Sarzynski, Dariusz</au><au>Gutman, David</au><aucorp>Illinois Institute of Technology, Chicago</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Kinetics of the reaction between methyl radicals and oxygen atoms between 294 and 900 K</atitle><jtitle>J. Phys. Chem.; (United States)</jtitle><addtitle>J. Phys. Chem</addtitle><date>1987-07-01</date><risdate>1987</risdate><volume>91</volume><issue>16</issue><spage>4375</spage><epage>4379</epage><pages>4375-4379</pages><issn>0022-3654</issn><eissn>1541-5740</eissn><abstract>The kinetics of the reaction of methyl radicals with oxygen atoms has been investigated in a heatable tubular reactor coupled to a photoionization mass spectrometer. The reactants (CH/sub 3/ and O(/sup 3/P)) were generated homogeneously in the reactor by the simultaneous in situ photolysis of acetone and SO/sub 2/. Initial conditions were always chosen to yield (O)/(CH/sub 3/)/sub 0/ > 20. The decay of CH/sub 3/ was monitored as a function of (O) to yield rate constants for the reaction O + CH/sub 3/ ..-->.. H/sub 2/CO + H at five temperatures between 294 and 900 K. The rate constant was found to be independent of temperature, having a value 1.4 x 10/sup -10/ cm/sup 3/ molecule/sup -1/ s/sup -1/, and also independent of density in the range used in this study, (3-24) x 10/sup 16/ molecule cm/sup -3/. The mechanism was verified by direct observations of H/sub 2/CO production. The new experimental method, which can be used to investigate many reactions of oxygen atoms with free radicals, is described in detail.</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/j100300a032</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-3654 |
| ispartof | J. Phys. Chem.; (United States), 1987-07, Vol.91 (16), p.4375-4379 |
| issn | 0022-3654 1541-5740 |
| language | eng |
| recordid | cdi_crossref_primary_10_1021_j100300a032 |
| source | ACS Publications |
| subjects | 400500 - Photochemistry 400800 - Combustion, Pyrolysis, & High-Temperature Chemistry ACETONE ALKYL RADICALS CHALCOGENIDES CHEMICAL PREPARATION CHEMICAL REACTION KINETICS CHEMICAL REACTION YIELD CHEMICAL REACTIONS DATA DECOMPOSITION ELEMENTS EXPERIMENTAL DATA HIGH TEMPERATURE INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY KETONES KINETICS MASS SPECTROSCOPY MEDIUM TEMPERATURE METHYL RADICALS NONMETALS NUMERICAL DATA ORGANIC COMPOUNDS OXIDES OXYGEN OXYGEN COMPOUNDS PHOTOCHEMICAL REACTIONS PHOTOLYSIS RADICALS REACTION KINETICS SPECTROSCOPY SULFUR COMPOUNDS SULFUR DIOXIDE SULFUR OXIDES SYNTHESIS YIELDS |
| title | Kinetics of the reaction between methyl radicals and oxygen atoms between 294 and 900 K |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-09T07%3A31%3A49IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-acs_osti_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Kinetics%20of%20the%20reaction%20between%20methyl%20radicals%20and%20oxygen%20atoms%20between%20294%20and%20900%20K&rft.jtitle=J.%20Phys.%20Chem.;%20(United%20States)&rft.au=Slagle,%20Irene%20R&rft.aucorp=Illinois%20Institute%20of%20Technology,%20Chicago&rft.date=1987-07-01&rft.volume=91&rft.issue=16&rft.spage=4375&rft.epage=4379&rft.pages=4375-4379&rft.issn=0022-3654&rft.eissn=1541-5740&rft_id=info:doi/10.1021/j100300a032&rft_dat=%3Cacs_osti_%3Eb51407244%3C/acs_osti_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |