Fig. 1. The picture of a piece of red and green porcelain in Qing Dynasty and its scanned area

Fig. 2. μ-EDXRF spectra of white glaze and colored pigments

Fig. 3. Elemental distributions of Pb, K, Fe, Ca, Cu, Al, Mn, Si in scanning areas

Fig. 4. XRD patterns of white glaze and colored pigments

Fig. 5. Raman spectra of white glaze and colored pigments

Fig. 6. Phase mappings of Pb₈Cu(Si₂O7)₃, 3Al₂O₃·2SiO₂, KAlSi₃O₈, Fe₂O₃ in scanning areas