期刊
QUIMICA NOVA
卷 33, 期 5, 页码 1093-1097出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422010000500016
关键词
NIRS; MIRS; charcoal
资金
- French Ministry of Foreign Affairs (MAE)
Brazil is one of the largest producers and consumers of charcoal in the world. About 50% of its charcoal comes from native forests, with a large part coming from unsustainable operations. The anatomic identification of charcoal is subjective; an instrumental technique would facilitate the monitoring of forests. This study aimed to verify the feasibility of using medium and near infrared reflectance spectroscopy to discriminate native (ipe) from plantation charcoals (eucalyptus). Principal Components Analysis, followed by Discriminant Factorial Analysis formed two different groups indicated by Mahalanobis distances of 40.6 and 80.3 for near and mid infrared, respectively. Validation of the model showed 100% efficacy.
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