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

Table 3

The color of the pigments and some overgraze dyes.

Sample; number	The color of overglaze dyes
	1100°C^3	1200°C^3	850°C^3
M1 (Co^2+)	Sky blue	Greenish blue	Sky blue
M3 (Co^2+)	Blue	Blue	Blue
M4 (Ni^2+)	Light green	Light olive	Light green
M6 (Ni^2+)	Turquoise	Turquoise (darker)	Turquoise
M8 (Cr^3+)	Dark olive	Dark olive	Brownish pink
M9 (Fe^3+)	Light brown	Reddish brown	Brown
M10 (Fe^3+)	Brown	Reddish brown	Brown

3Sintering temperature (𝑇_sint.), °C.