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Heritage Science
Fig. 5 | Heritage Science

Fig. 5

From: Development of a methodology for the characterisation and assessment of biodeteriogens on archaeological surfaces by use of a portable LED-induced fluorescence instrument

Fig. 5

a Fluorescence emission spectra of leaf samples collected upon excitation at various wavelengths in the range 400–600 nm and b Intensity ratio of the two main chlorophyll emission bands, I685/I735, as a function of excitation wavelength. Spectra were collected on the Fluoromax-P spectrometer

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