Influence of particle size distribution on the analysis of pellets of plant materials by laser-induced breakdown spectroscopy
Pellets of sieved plant materials (150, 106, 75, 53 and 20μm sieve apertures) were prepared and analyzed by laser-induced breakdown spectroscopy (LIBS), and the results for Ca, K, Mg, P, B and Mn were discussed as a function of particle size distribution. This parameter is of key importance for appr...
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| Veröffentlicht in: | Spectrochimica acta. Part B: Atomic spectroscopy 2015-03, Vol.105, p.130-135 |
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| container_title | Spectrochimica acta. Part B: Atomic spectroscopy |
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| creator | de Carvalho, Gabriel Gustinelli Arantes Santos Jr, Dário da Silva Gomes, Marcos Nunes, Lidiane Cristina Guerra, Marcelo Braga Bueno Krug, Francisco José |
| description | Pellets of sieved plant materials (150, 106, 75, 53 and 20μm sieve apertures) were prepared and analyzed by laser-induced breakdown spectroscopy (LIBS), and the results for Ca, K, Mg, P, B and Mn were discussed as a function of particle size distribution. This parameter is of key importance for appropriate test sample presentation in the form of pressed pellets for quantitative analysis by LIBS. Experiments were carried out with a Q-switched Nd:YAG laser at 1064nm, and a spectrometer with Echelle optics and an intensified charge-coupled device. Results indicated that smaller particles yielded up to 50% emission signal intensities' enhancement and attained better measurements' precision (site-to-site variation). Moreover, matrix effects were reduced by analyzing pellets prepared from |
| doi_str_mv | 10.1016/j.sab.2014.09.001 |
| format | Article |
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•First systematic study on the effects of particle size distribution.•Most appropriate particle sizes for pellet preparation depend on laser fluence.•Data can be used for sampling strategies aiming at LIBS analysis of plant materials.</description><subject>Breakdown</subject><subject>Charge coupled devices</subject><subject>Laser-induced breakdown spectroscopy</subject><subject>Lasers</subject><subject>LIBS</subject><subject>Particle size distribution</subject><subject>Pellet</subject><subject>Pellets</subject><subject>Plant material</subject><subject>Quantitative analysis</subject><subject>Sieves</subject><subject>Spectrometers</subject><subject>Spectroscopy</subject><issn>0584-8547</issn><issn>1873-3565</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqNkU1r3DAQhkVoIZu0PyA3HXOxO5KtD5NTCE0aCOSSnIUsjak2XtuR5JYt5L9H2-05FAZmGJ53mJmXkAsGNQMmv23rZPuaA2tr6GoAdkI2TKumaoQUn8gGhG4rLVp1Ss5S2gIAF1xsyNv9NIwrTg7pPNDFxhzciDSFP0h9SDmGfs1hnmiJ_BOpney4TyH9pXEcMR_L0U6Z7mzGGOyYaL-no00YqzD51aGnfUT74uffE00Luhzn5OZl_4V8HgqOX__lc_J8-_3p5kf18Hh3f3P9ULlGNrlqB9kpjx2XrRqc9o4jet2Bd56LvhWdap0dnJQaeslZJ5hreWlqpUD3wJtzcnmcu8T5dcWUzS4kV9a3E85rMkwqDaCA_xfaNFp1WheUHVFXzkkRB7PEsLNxbxiYgytma4or5uCKgc4UV4rm6qjBcu6vgNEkFw7v9yGWvxg_hw_U7xOfluI</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>de Carvalho, Gabriel Gustinelli Arantes</creator><creator>Santos Jr, Dário</creator><creator>da Silva Gomes, Marcos</creator><creator>Nunes, Lidiane Cristina</creator><creator>Guerra, Marcelo Braga Bueno</creator><creator>Krug, Francisco José</creator><general>Elsevier B.V</general><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>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150301</creationdate><title>Influence of particle size distribution on the analysis of pellets of plant materials by laser-induced breakdown spectroscopy</title><author>de Carvalho, Gabriel Gustinelli Arantes ; Santos Jr, Dário ; da Silva Gomes, Marcos ; Nunes, Lidiane Cristina ; Guerra, Marcelo Braga Bueno ; Krug, Francisco José</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-4f697de92647fc8dc2eed890dcd25b45974cafc6680b621951c4297487708b023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Breakdown</topic><topic>Charge coupled devices</topic><topic>Laser-induced breakdown spectroscopy</topic><topic>Lasers</topic><topic>LIBS</topic><topic>Particle size distribution</topic><topic>Pellet</topic><topic>Pellets</topic><topic>Plant material</topic><topic>Quantitative analysis</topic><topic>Sieves</topic><topic>Spectrometers</topic><topic>Spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>de Carvalho, Gabriel Gustinelli Arantes</creatorcontrib><creatorcontrib>Santos Jr, Dário</creatorcontrib><creatorcontrib>da Silva Gomes, Marcos</creatorcontrib><creatorcontrib>Nunes, Lidiane Cristina</creatorcontrib><creatorcontrib>Guerra, Marcelo Braga Bueno</creatorcontrib><creatorcontrib>Krug, Francisco José</creatorcontrib><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>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Spectrochimica acta. Part B: Atomic spectroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>de Carvalho, Gabriel Gustinelli Arantes</au><au>Santos Jr, Dário</au><au>da Silva Gomes, Marcos</au><au>Nunes, Lidiane Cristina</au><au>Guerra, Marcelo Braga Bueno</au><au>Krug, Francisco José</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of particle size distribution on the analysis of pellets of plant materials by laser-induced breakdown spectroscopy</atitle><jtitle>Spectrochimica acta. Part B: Atomic spectroscopy</jtitle><date>2015-03-01</date><risdate>2015</risdate><volume>105</volume><spage>130</spage><epage>135</epage><pages>130-135</pages><issn>0584-8547</issn><eissn>1873-3565</eissn><abstract>Pellets of sieved plant materials (150, 106, 75, 53 and 20μm sieve apertures) were prepared and analyzed by laser-induced breakdown spectroscopy (LIBS), and the results for Ca, K, Mg, P, B and Mn were discussed as a function of particle size distribution. This parameter is of key importance for appropriate test sample presentation in the form of pressed pellets for quantitative analysis by LIBS. Experiments were carried out with a Q-switched Nd:YAG laser at 1064nm, and a spectrometer with Echelle optics and an intensified charge-coupled device. Results indicated that smaller particles yielded up to 50% emission signal intensities' enhancement and attained better measurements' precision (site-to-site variation). Moreover, matrix effects were reduced by analyzing pellets prepared from <75μm sieved fractions (mean particle size=32μm; d95=102μm) and by using a 50Jcm−2 laser fluence (220mJ per pulse; 750μm laser spot size). The preparation of pellets from laboratory samples with monomodal particle size distributions, where most particles were smaller than 100μm, was decisive for improving analyte micro-homogeneity within the test samples and for attaining lower coefficients of variation of measurements, typically lower than 10% (n=10 sites per pellet; 20 laser pulses per site).
•First systematic study on the effects of particle size distribution.•Most appropriate particle sizes for pellet preparation depend on laser fluence.•Data can be used for sampling strategies aiming at LIBS analysis of plant materials.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.sab.2014.09.001</doi><tpages>6</tpages></addata></record> |
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| subjects | Breakdown Charge coupled devices Laser-induced breakdown spectroscopy Lasers LIBS Particle size distribution Pellet Pellets Plant material Quantitative analysis Sieves Spectrometers Spectroscopy |
| title | Influence of particle size distribution on the analysis of pellets of plant materials by laser-induced breakdown spectroscopy |
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