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Fig. 2 | Heritage Science

Fig. 2

From: Neural network-based classification of X-ray fluorescence spectra of artists’ pigments: an approach leveraging a synthetic dataset created using the fundamental parameters method

Fig. 2

A comparison of XRF spectra of lead-tin yellow. The spectrum shown in blue was recorded using the Bruker instrument in the National Gallery, while the one in red is a synthetic spectrum created for the same pigment using the FP method. The relative fluorescence intensities are plotted on a square-root scale with characteristic X-ray lines labelled for each relevant element in black and systematic features not included in the FP model labelled in grey

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