| 摘要 |
<p>Although free of CoO, the present spinel ceramic pigments have intensity of black coloration comparable to those using cobalt; they are nickel-rich, selected compositions in the NiO-MnO-CuO-Fe2O3-Cr2O3-Mn2O3-V2O3-Al2O3 system, and they can be used with glaze frits containing up to about 10% ZnO.</p> |
