Research Article
Heat-Resistant Ceramic Pigments on the Base of Waste Vanadium Catalyst and Alumina
Table 4
Color characteristics of the obtained ceramic pigments and dyes (
°C).
| Sample number | Pigment colour parameters | Dye colour parameters | | | | | | |
| M1 (Co2+) | 48.0 | 0.0 | −16.0 | 58.0 | 0.0 | −15.0 | M3 (Co2+) | 38.0 | 0.0 | −19.0 | 44.0 | 0.0 | −10.0 | M4 (Ni2+) | 53.0 | −6.0 | 6.1 | 66.0 | −1.0 | 11.0 | M6 (Ni2+) | 46.0 | −6.0 | 4.7 | 56.0 | −4.0 | 9.4 | M8 (Cr3+) | 44.0 | 2.4 | 2.8 | 54.0 | 10.0 | 19.0 | M9 (Fe3+) | 47.0 | 4.3 | 9.9 | 57.0 | 11.0 | 15.0 | M10 (Fe3+) | 38.0 | 7.6 | 7.1 | 54.0 | 5.2 | 18.0 |
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