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Journal of Spectroscopy
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Journal of Spectroscopy
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2014
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Article
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Fig 3
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Research Article
Nondestructive Discrimination of Lead (Pb) in Preserved Eggs (Pidan) by Near-Infrared Spectroscopy and Chemometrics
Figure 3
ROBPCA results of the raw spectra (4000–8000 cm
−1
) of 147 leaded preserved eggs.
(a)
(b)