Research Article

Heat-Resistant Ceramic Pigments on the Base of Waste Vanadium Catalyst and Alumina

Figure 3

SEM images of the pigments of mullite composition: (a) check sample; (b) chromium-containing pigment. The areas on the images are 1—mullite, and 2—corundum ( = 1200°C).
369174.fig.003a
(a)
369174.fig.003b
(b)