Discrimination of polymers by laser induced breakdown spectroscopy together with the DFA method
Laser Induced Breakdown Spectroscopy (LIBS) is used to analyze and identify six kinds of the most important recyclable polymers i.e high density polyethylene (HDPE), low density polyethylene (LDPE), polyethylene terephthalate (PET), polypropylene (PP), polystyrene (PS) and polyvinyl chloride (PVC)....
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| Veröffentlicht in: | Polymer testing 2012-09, Vol.31 (6), p.759-764 |
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| container_title | Polymer testing |
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| creator | Banaee, M. Tavassoli, S.H. |
| description | Laser Induced Breakdown Spectroscopy (LIBS) is used to analyze and identify six kinds of the most important recyclable polymers i.e high density polyethylene (HDPE), low density polyethylene (LDPE), polyethylene terephthalate (PET), polypropylene (PP), polystyrene (PS) and polyvinyl chloride (PVC). Using a Nd:YAG laser with wavelength 1064, a plasma is created on the polymer surface. By analysis of spectral emission of plasma, some qualitative information about the plasma elements is obtained. The plasma spectra of polymers are similar and contain strong carbon and hydrogen spectral lines. Here, a statistical method called discriminant function analysis (DFA) is used to discriminate between the polymers by slight differences between the spectra. DFA establishes a model on the basis of input variables to predict group memberships of polymers. The spectral line ratios of C, CN, C2, N Cl, O and H are used as input variables in DFA. Results show that LIBS together with DFA has the ability to correctly classify 99% of the polymers. |
| doi_str_mv | 10.1016/j.polymertesting.2012.04.010 |
| format | Article |
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Using a Nd:YAG laser with wavelength 1064, a plasma is created on the polymer surface. By analysis of spectral emission of plasma, some qualitative information about the plasma elements is obtained. The plasma spectra of polymers are similar and contain strong carbon and hydrogen spectral lines. Here, a statistical method called discriminant function analysis (DFA) is used to discriminate between the polymers by slight differences between the spectra. DFA establishes a model on the basis of input variables to predict group memberships of polymers. The spectral line ratios of C, CN, C2, N Cl, O and H are used as input variables in DFA. 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Results show that LIBS together with DFA has the ability to correctly classify 99% of the polymers.</description><subject>Applied sciences</subject><subject>DFA</subject><subject>Discriminant function analysis</subject><subject>Exact sciences and technology</subject><subject>Laser induced breakdown</subject><subject>Laser-induced breakdown spectroscopy</subject><subject>LIBS</subject><subject>Mathematical models</subject><subject>Physicochemistry of polymers</subject><subject>Plastics</subject><subject>Polyethylene terephthalates</subject><subject>Polyethylenes</subject><subject>Polymer industry, paints, wood</subject><subject>Polymers</subject><subject>Polypropylenes</subject><subject>Polystyrene resins</subject><subject>Polyvinyl chlorides</subject><subject>Spectroscopy</subject><subject>Technology of polymers</subject><issn>0142-9418</issn><issn>1873-2348</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNkEFLwzAYhoMoOKf_IQcFL635mjRNwcvYnAoDL3oOWZpumV1Tk87Rf2_GhuDNXBI-nrwf74PQLZAUCPCHTdq5Ztga35vQ23aVZgSylLCUADlDIxAFTTLKxDkaEWBZUjIQl-gqhA0hJI8JIyRnNmhvt7ZVvXUtdjU-ZQa8HHCjgvHYttVOmwovvVGfldu3OHRG994F7boB925l-nXk9rZf4_jCs_kEb-PMVdfoolZNMDene4w-5k_v05dk8fb8Op0sEs0E6xOeKQGs1LrMFI9HF5qK5ZLSUhUECsbrooSSM01ExlSlal1QMFWleK4pCErH6P6Y23n3tYs65DYWM02jWuN2QQLlOUDOSxLRxyOqY4HgTS27KED5QQKRB69yI_96lQevkjAZvcbvd6dNKmjV1F612obfjIyDyBmFyM2PnIm1v63xMmhr2ujR-ihPVs7-b-EP8h6Yaw</recordid><startdate>20120901</startdate><enddate>20120901</enddate><creator>Banaee, M.</creator><creator>Tavassoli, S.H.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20120901</creationdate><title>Discrimination of polymers by laser induced breakdown spectroscopy together with the DFA method</title><author>Banaee, M. ; Tavassoli, S.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c484t-62a8149cc92a6666c7c38bb339a701746f791964c0824adafc731edda65c31833</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>DFA</topic><topic>Discriminant function analysis</topic><topic>Exact sciences and technology</topic><topic>Laser induced breakdown</topic><topic>Laser-induced breakdown spectroscopy</topic><topic>LIBS</topic><topic>Mathematical models</topic><topic>Physicochemistry of polymers</topic><topic>Plastics</topic><topic>Polyethylene terephthalates</topic><topic>Polyethylenes</topic><topic>Polymer industry, paints, wood</topic><topic>Polymers</topic><topic>Polypropylenes</topic><topic>Polystyrene resins</topic><topic>Polyvinyl chlorides</topic><topic>Spectroscopy</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Banaee, M.</creatorcontrib><creatorcontrib>Tavassoli, S.H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer testing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Banaee, M.</au><au>Tavassoli, S.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Discrimination of polymers by laser induced breakdown spectroscopy together with the DFA method</atitle><jtitle>Polymer testing</jtitle><date>2012-09-01</date><risdate>2012</risdate><volume>31</volume><issue>6</issue><spage>759</spage><epage>764</epage><pages>759-764</pages><issn>0142-9418</issn><eissn>1873-2348</eissn><coden>POTEDZ</coden><abstract>Laser Induced Breakdown Spectroscopy (LIBS) is used to analyze and identify six kinds of the most important recyclable polymers i.e high density polyethylene (HDPE), low density polyethylene (LDPE), polyethylene terephthalate (PET), polypropylene (PP), polystyrene (PS) and polyvinyl chloride (PVC). 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| ispartof | Polymer testing, 2012-09, Vol.31 (6), p.759-764 |
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| source | Elsevier ScienceDirect Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Applied sciences DFA Discriminant function analysis Exact sciences and technology Laser induced breakdown Laser-induced breakdown spectroscopy LIBS Mathematical models Physicochemistry of polymers Plastics Polyethylene terephthalates Polyethylenes Polymer industry, paints, wood Polymers Polypropylenes Polystyrene resins Polyvinyl chlorides Spectroscopy Technology of polymers |
| title | Discrimination of polymers by laser induced breakdown spectroscopy together with the DFA method |
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