Fig. 4
Vis spectra of samples: a 1 and b 2 are presented as continuous lines. Spectrum of iron oxide red (dotted line) and vermilion (dashed line) (both supplied by Kremer pigmente©) are also showed in b
Fig. 4 | Heritage Science
Vis spectra of samples: a 1 and b 2 are presented as continuous lines. Spectrum of iron oxide red (dotted line) and vermilion (dashed line) (both supplied by Kremer pigmente©) are also showed in b