Fig. 7From: Non-invasive imaging and spectroscopy techniques for identifying historical pigments: a case study of Iranian manuscripts from the Qajar eraa µ-XRF spectra of red family pigments, including red, pink, and orange, as well as paper, indicating the use of lead-based pigments in pink and orange pigments. b Raman spectra of orange and pink pigments providing evidence of the use of red lead and a mixture of red lead, lead white, and indigo, respectivelyBack to article page