Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/106173
Type: Artigo de periódico
Title: Non-destructive Determination Of Total Nitrogen In Plants By Diffuse Reflectance Near Infrared Spectroscopy [determinação Não Destrutiva Do Nitrogênio Total Em Plantas Por Espectroscopia De Reflectância Difusa No Infravermelho Próximo]
Author: Lima K.M.G.
Trevisan M.G.
Poppi R.J.
De Andrade J.C.
Abstract: Diffuse reflectance near-infrared (DR-NIR) spectroscopy associated with partial least squares (PLS) multivariate calibration is proposed for a direct, non-destructive, determination of total nitrogen in wheat leaves. The procedure was developed for an Analytical Instrumental Analysis course, carried out at the Institute of Chemistry of the State University of Campinas. The DR-NIR results are in good agreement with those obtained by the Kjeldhal standard procedure, with a relative error of less than ± 3% and the method may be used for teaching purposes as well as for routine analysis.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-45849083833&partnerID=40&md5=3b64d696a592c32b2ead352639ef1028
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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