2008
DOI: 10.1590/s0100-40422008000300039
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Determinação não destrutiva do nitrogênio total em plantas por espectroscopia de reflectância difusa no infravermelho próximo

Abstract: Recebido em 3/5/07; aceito em 17/8/07; publicado na web em 19/3/08 NON-DESTRUCTIVE DETERMINATION OF TOTAL NITROGEN IN PLANTS BY DIFFUSE REFLECTANCE NEAR INFRARED SPECTROSCOPY. 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 t… Show more

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“…NIR spectroscopy has been explored as an analytical approach to analyze various agricultural matrices (Wang et al, 2015;Luce et al, 2014;Fujiwara & Murakami, 2007;He et al, 2007). According to Lima et al (2008), the results obtained using NIR spectroscopy for plant analysis show that the technique produces similar results to those obtained using the standard Kjeldahl procedure for N content, indicating that it can be used for routine analysis.…”
Section: Introductionmentioning
confidence: 99%
“…NIR spectroscopy has been explored as an analytical approach to analyze various agricultural matrices (Wang et al, 2015;Luce et al, 2014;Fujiwara & Murakami, 2007;He et al, 2007). According to Lima et al (2008), the results obtained using NIR spectroscopy for plant analysis show that the technique produces similar results to those obtained using the standard Kjeldahl procedure for N content, indicating that it can be used for routine analysis.…”
Section: Introductionmentioning
confidence: 99%