Microcharacterization of trace elemental distributions within individual coal combustion particles using secondary ion mass spectrometry and digital imaging
Secondary ion image depth profiling is developed for application to the chemical characterization of individual micrometer-sized particles, specifically coal combustion fly ash collected by cascade impaction. A digital imaging system interfaced to a Cameca IMS-3F ion microscope permits the simultane...
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| Veröffentlicht in: | Anal. Chem.; (United States) 1987-09, Vol.59 (17), p.2018-2023 |
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| container_title | Anal. Chem.; (United States) |
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| creator | Cox, X. B Bryan, Scott R Linton, Richard W Griffis, Dieter P |
| description | Secondary ion image depth profiling is developed for application to the chemical characterization of individual micrometer-sized particles, specifically coal combustion fly ash collected by cascade impaction. A digital imaging system interfaced to a Cameca IMS-3F ion microscope permits the simultaneous acquisition of spatially resolved mass spectral data for a number of single particles. Small regions within each particle are chosen for computer-reconstructed local area depth profiles to minimize complications of particle geometry on sputter rate and useful ion yield. Sputtering rates are calibrated by use of SiO/sub 2/ standards and correlative SEM observation of the sputtered particles. Ion intensities averaged over groups of particles are related to concentrations by use of NBS standard fly ash samples. Substantial differences are often found in the relative concentrations and/or depth profiles of selected elements (Ba, Pb, Si, Th, Ti, U) from particle to particle. The technique is highly sensitive to trace elements within microvolumes. For example, the estimated U detection limit corresponds to approximately 10/sup 4/ atoms in an analytical volume of 0.1 ..mu..m/sup 3/ within a 20-..mu..m/sup 3/ single particle. |
| doi_str_mv | 10.1021/ac00144a003 |
| format | Article |
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B ; Bryan, Scott R ; Linton, Richard W ; Griffis, Dieter P</creator><creatorcontrib>Cox, X. B ; Bryan, Scott R ; Linton, Richard W ; Griffis, Dieter P ; Univ. of North Carolina, Chapel Hill</creatorcontrib><description>Secondary ion image depth profiling is developed for application to the chemical characterization of individual micrometer-sized particles, specifically coal combustion fly ash collected by cascade impaction. A digital imaging system interfaced to a Cameca IMS-3F ion microscope permits the simultaneous acquisition of spatially resolved mass spectral data for a number of single particles. Small regions within each particle are chosen for computer-reconstructed local area depth profiles to minimize complications of particle geometry on sputter rate and useful ion yield. Sputtering rates are calibrated by use of SiO/sub 2/ standards and correlative SEM observation of the sputtered particles. Ion intensities averaged over groups of particles are related to concentrations by use of NBS standard fly ash samples. Substantial differences are often found in the relative concentrations and/or depth profiles of selected elements (Ba, Pb, Si, Th, Ti, U) from particle to particle. The technique is highly sensitive to trace elements within microvolumes. For example, the estimated U detection limit corresponds to approximately 10/sup 4/ atoms in an analytical volume of 0.1 ..mu..m/sup 3/ within a 20-..mu..m/sup 3/ single particle.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac00144a003</identifier><identifier>CODEN: ANCHAM</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>01 COAL, LIGNITE, AND PEAT ; 010600 - Coal, Lignite, & Peat- Properties & Composition ; 010900 - Coal, Lignite, & Peat- Environmental Aspects ; 400101 - Activation, Nuclear Reaction, Radiometric & Radiochemical Procedures ; ACTINIDES ; AEROSOL WASTES ; ALKALINE EARTH METALS ; Analytical chemistry ; ASHES ; BARIUM ; CARBONACEOUS MATERIALS ; CHEMICAL ANALYSIS ; CHEMICAL REACTIONS ; Chemistry ; COAL ; COMBUSTION ; DATA ; DIGITAL SYSTEMS ; ELEMENTS ; ENERGY SOURCES ; Exact sciences and technology ; EXPERIMENTAL DATA ; FLY ASH ; FOSSIL FUELS ; FUELS ; IMAGE PROCESSING ; INFORMATION ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; ION MICROPROBE ANALYSIS ; LEAD ; MASS SPECTROSCOPY ; MATERIALS ; METALS ; MICROANALYSIS ; NONDESTRUCTIVE ANALYSIS ; NUMERICAL DATA ; OXIDATION ; PARTICLE SIZE ; PROCESSING ; QUANTITATIVE CHEMICAL ANALYSIS ; RESIDUES ; SEMIMETALS ; SILICON ; SIZE ; Spectrometric and optical methods ; SPECTROSCOPY ; THERMOCHEMICAL PROCESSES ; THORIUM ; TITANIUM ; TRACE AMOUNTS ; TRANSITION ELEMENTS ; URANIUM ; WASTES</subject><ispartof>Anal. Chem.; (United States), 1987-09, Vol.59 (17), p.2018-2023</ispartof><rights>1988 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a357t-d75974f7ba7a41e4af7bca0d7fb27d1d927d904668b98c800ea8c179743ca1bd3</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/ac00144a003$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/ac00144a003$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,885,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7416421$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/6316009$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Cox, X. B</creatorcontrib><creatorcontrib>Bryan, Scott R</creatorcontrib><creatorcontrib>Linton, Richard W</creatorcontrib><creatorcontrib>Griffis, Dieter P</creatorcontrib><creatorcontrib>Univ. of North Carolina, Chapel Hill</creatorcontrib><title>Microcharacterization of trace elemental distributions within individual coal combustion particles using secondary ion mass spectrometry and digital imaging</title><title>Anal. Chem.; (United States)</title><addtitle>Anal. Chem</addtitle><description>Secondary ion image depth profiling is developed for application to the chemical characterization of individual micrometer-sized particles, specifically coal combustion fly ash collected by cascade impaction. A digital imaging system interfaced to a Cameca IMS-3F ion microscope permits the simultaneous acquisition of spatially resolved mass spectral data for a number of single particles. Small regions within each particle are chosen for computer-reconstructed local area depth profiles to minimize complications of particle geometry on sputter rate and useful ion yield. Sputtering rates are calibrated by use of SiO/sub 2/ standards and correlative SEM observation of the sputtered particles. Ion intensities averaged over groups of particles are related to concentrations by use of NBS standard fly ash samples. Substantial differences are often found in the relative concentrations and/or depth profiles of selected elements (Ba, Pb, Si, Th, Ti, U) from particle to particle. The technique is highly sensitive to trace elements within microvolumes. For example, the estimated U detection limit corresponds to approximately 10/sup 4/ atoms in an analytical volume of 0.1 ..mu..m/sup 3/ within a 20-..mu..m/sup 3/ single particle.</description><subject>01 COAL, LIGNITE, AND PEAT</subject><subject>010600 - Coal, Lignite, & Peat- Properties & Composition</subject><subject>010900 - Coal, Lignite, & Peat- Environmental Aspects</subject><subject>400101 - Activation, Nuclear Reaction, Radiometric & Radiochemical Procedures</subject><subject>ACTINIDES</subject><subject>AEROSOL WASTES</subject><subject>ALKALINE EARTH METALS</subject><subject>Analytical chemistry</subject><subject>ASHES</subject><subject>BARIUM</subject><subject>CARBONACEOUS MATERIALS</subject><subject>CHEMICAL ANALYSIS</subject><subject>CHEMICAL REACTIONS</subject><subject>Chemistry</subject><subject>COAL</subject><subject>COMBUSTION</subject><subject>DATA</subject><subject>DIGITAL SYSTEMS</subject><subject>ELEMENTS</subject><subject>ENERGY SOURCES</subject><subject>Exact sciences and technology</subject><subject>EXPERIMENTAL DATA</subject><subject>FLY ASH</subject><subject>FOSSIL FUELS</subject><subject>FUELS</subject><subject>IMAGE PROCESSING</subject><subject>INFORMATION</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>ION MICROPROBE ANALYSIS</subject><subject>LEAD</subject><subject>MASS SPECTROSCOPY</subject><subject>MATERIALS</subject><subject>METALS</subject><subject>MICROANALYSIS</subject><subject>NONDESTRUCTIVE ANALYSIS</subject><subject>NUMERICAL DATA</subject><subject>OXIDATION</subject><subject>PARTICLE SIZE</subject><subject>PROCESSING</subject><subject>QUANTITATIVE CHEMICAL ANALYSIS</subject><subject>RESIDUES</subject><subject>SEMIMETALS</subject><subject>SILICON</subject><subject>SIZE</subject><subject>Spectrometric and optical methods</subject><subject>SPECTROSCOPY</subject><subject>THERMOCHEMICAL PROCESSES</subject><subject>THORIUM</subject><subject>TITANIUM</subject><subject>TRACE AMOUNTS</subject><subject>TRANSITION ELEMENTS</subject><subject>URANIUM</subject><subject>WASTES</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1987</creationdate><recordtype>article</recordtype><recordid>eNptkMFu1DAQhi0EEkvhxAtYCIkDCoyTrJ0cUVUodCtAlLM1sZ1dl8RZ2Q60PEsfltmmqnrgMrbm_2bm18_YSwHvBJTiPRoAUdcIUD1iK7EuoZBNUz5mK6BWUSqAp-xZSpeECRByxW7OvYmT2WFEk130fzH7KfCp55k6jrvBjS5kHLj1KUffzQc98T8-73zgPlj_29uZdDPdlrGb0-2KPcbszeASn5MPW56cmYLFeM0P6ogp8bR3JsdpdJm6GCzd2PrDLT_ilmaesyc9Dsm9uHuP2M-PJxfHp8Xm66fPxx82BVZrlQur1q2qe9Whwlq4GulrEKzqu1JZYVuqLdRSNl3bmAbAYWOEopnKoOhsdcReLXsnsq6T8dmZHbkNZE_LSkiAlqC3C0R5pRRdr_eRfMZrLUAf0tcP0if69ULvMRkc-ojB-HQ_omoh61IQViwYheuu7mWMv7RUlVrri28_tPpyvvnenEm9If7NwqNJ-nKaY6Bc_mvgH5B4pLg</recordid><startdate>19870901</startdate><enddate>19870901</enddate><creator>Cox, X. B</creator><creator>Bryan, Scott R</creator><creator>Linton, Richard W</creator><creator>Griffis, Dieter 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>19870901</creationdate><title>Microcharacterization of trace elemental distributions within individual coal combustion particles using secondary ion mass spectrometry and digital imaging</title><author>Cox, X. B ; Bryan, Scott R ; Linton, Richard W ; Griffis, Dieter P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a357t-d75974f7ba7a41e4af7bca0d7fb27d1d927d904668b98c800ea8c179743ca1bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><topic>01 COAL, LIGNITE, AND PEAT</topic><topic>010600 - Coal, Lignite, & Peat- Properties & Composition</topic><topic>010900 - Coal, Lignite, & Peat- Environmental Aspects</topic><topic>400101 - Activation, Nuclear Reaction, Radiometric & Radiochemical Procedures</topic><topic>ACTINIDES</topic><topic>AEROSOL WASTES</topic><topic>ALKALINE EARTH METALS</topic><topic>Analytical chemistry</topic><topic>ASHES</topic><topic>BARIUM</topic><topic>CARBONACEOUS MATERIALS</topic><topic>CHEMICAL ANALYSIS</topic><topic>CHEMICAL REACTIONS</topic><topic>Chemistry</topic><topic>COAL</topic><topic>COMBUSTION</topic><topic>DATA</topic><topic>DIGITAL SYSTEMS</topic><topic>ELEMENTS</topic><topic>ENERGY SOURCES</topic><topic>Exact sciences and technology</topic><topic>EXPERIMENTAL DATA</topic><topic>FLY ASH</topic><topic>FOSSIL FUELS</topic><topic>FUELS</topic><topic>IMAGE PROCESSING</topic><topic>INFORMATION</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>ION MICROPROBE ANALYSIS</topic><topic>LEAD</topic><topic>MASS SPECTROSCOPY</topic><topic>MATERIALS</topic><topic>METALS</topic><topic>MICROANALYSIS</topic><topic>NONDESTRUCTIVE ANALYSIS</topic><topic>NUMERICAL DATA</topic><topic>OXIDATION</topic><topic>PARTICLE SIZE</topic><topic>PROCESSING</topic><topic>QUANTITATIVE CHEMICAL ANALYSIS</topic><topic>RESIDUES</topic><topic>SEMIMETALS</topic><topic>SILICON</topic><topic>SIZE</topic><topic>Spectrometric and optical methods</topic><topic>SPECTROSCOPY</topic><topic>THERMOCHEMICAL PROCESSES</topic><topic>THORIUM</topic><topic>TITANIUM</topic><topic>TRACE AMOUNTS</topic><topic>TRANSITION ELEMENTS</topic><topic>URANIUM</topic><topic>WASTES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cox, X. B</creatorcontrib><creatorcontrib>Bryan, Scott R</creatorcontrib><creatorcontrib>Linton, Richard W</creatorcontrib><creatorcontrib>Griffis, Dieter P</creatorcontrib><creatorcontrib>Univ. of North Carolina, Chapel Hill</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</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>Cox, X. B</au><au>Bryan, Scott R</au><au>Linton, Richard W</au><au>Griffis, Dieter P</au><aucorp>Univ. of North Carolina, Chapel Hill</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microcharacterization of trace elemental distributions within individual coal combustion particles using secondary ion mass spectrometry and digital imaging</atitle><jtitle>Anal. Chem.; (United States)</jtitle><addtitle>Anal. Chem</addtitle><date>1987-09-01</date><risdate>1987</risdate><volume>59</volume><issue>17</issue><spage>2018</spage><epage>2023</epage><pages>2018-2023</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><coden>ANCHAM</coden><abstract>Secondary ion image depth profiling is developed for application to the chemical characterization of individual micrometer-sized particles, specifically coal combustion fly ash collected by cascade impaction. A digital imaging system interfaced to a Cameca IMS-3F ion microscope permits the simultaneous acquisition of spatially resolved mass spectral data for a number of single particles. Small regions within each particle are chosen for computer-reconstructed local area depth profiles to minimize complications of particle geometry on sputter rate and useful ion yield. Sputtering rates are calibrated by use of SiO/sub 2/ standards and correlative SEM observation of the sputtered particles. Ion intensities averaged over groups of particles are related to concentrations by use of NBS standard fly ash samples. Substantial differences are often found in the relative concentrations and/or depth profiles of selected elements (Ba, Pb, Si, Th, Ti, U) from particle to particle. The technique is highly sensitive to trace elements within microvolumes. For example, the estimated U detection limit corresponds to approximately 10/sup 4/ atoms in an analytical volume of 0.1 ..mu..m/sup 3/ within a 20-..mu..m/sup 3/ single particle.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ac00144a003</doi><tpages>6</tpages></addata></record> |
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| source | American Chemical Society Journals |
| subjects | 01 COAL, LIGNITE, AND PEAT 010600 - Coal, Lignite, & Peat- Properties & Composition 010900 - Coal, Lignite, & Peat- Environmental Aspects 400101 - Activation, Nuclear Reaction, Radiometric & Radiochemical Procedures ACTINIDES AEROSOL WASTES ALKALINE EARTH METALS Analytical chemistry ASHES BARIUM CARBONACEOUS MATERIALS CHEMICAL ANALYSIS CHEMICAL REACTIONS Chemistry COAL COMBUSTION DATA DIGITAL SYSTEMS ELEMENTS ENERGY SOURCES Exact sciences and technology EXPERIMENTAL DATA FLY ASH FOSSIL FUELS FUELS IMAGE PROCESSING INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ION MICROPROBE ANALYSIS LEAD MASS SPECTROSCOPY MATERIALS METALS MICROANALYSIS NONDESTRUCTIVE ANALYSIS NUMERICAL DATA OXIDATION PARTICLE SIZE PROCESSING QUANTITATIVE CHEMICAL ANALYSIS RESIDUES SEMIMETALS SILICON SIZE Spectrometric and optical methods SPECTROSCOPY THERMOCHEMICAL PROCESSES THORIUM TITANIUM TRACE AMOUNTS TRANSITION ELEMENTS URANIUM WASTES |
| title | Microcharacterization of trace elemental distributions within individual coal combustion particles using secondary ion mass spectrometry and digital imaging |
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