Identification of Four Wood Species by an Electronic Nose and by LIBS | Zendy

Juliana Ribeiro Cordeiro | Zendy; Maria Isabel Vega Martinez | Zendy; Rosamaria W. C. Li | Zendy; Anderson P. Cardoso | Zendy; Lidiane Cristiunes | Zendy; Francisco José Krug | Zendy; Thiago R. L. C. Paixão | Zendy; Cassiana Seimi Nomura | Zendy; Jonas Gruber | Zendy

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Identification of Four Wood Species by an Electronic Nose and by LIBS

Author(s) -

Juliana Ribeiro Cordeiro,

Maria Isabel Vega Martinez,

Rosamaria W. C. Li,

Anderson P. Cardoso,

Lidiane Cristiunes,

Francisco José Krug,

Thiago R. L. C. Paixão,

Cassiana Seimi Nomura,

Jonas Gruber

Publication year - 2012

Publication title -

international journal of electrochemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-3537

pISSN - 2090-3529

DOI - 10.1155/2012/563939

Subject(s) - electronic nose , materials science , principal component analysis , elemental analysis , chemistry , analytical chemistry (journal) , environmental chemistry , nanotechnology , organic chemistry , computer science , artificial intelligence

This paper presents two complementary methods capable of identifying four wood species (Cedrela fissilis, Ocotea porosa, Hymenolobium petraeum, and Aspidosperma subincanum) both by their volatile organic compounds and by the presence of 10 chemical elements: Al, B, Ca, Mg, Zn, Cu, Mn, Fe, Na, and Si. The volatile compounds were detected by an electronic nose formed by an array of three different conductive polymer gas sensors. The elemental determination was made by laser-induced breakdown spectrometry (LIBS). The emissions measured were treated by principal component analysis (PCA). Leave-one-out analysis showed a rate of hits of 100%

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