Synthesis and Characterization of Rutile Pigments with Cr and Nb

Table 1

The mass composition of initial reaction mixtures for synthesis of pigments .

	Mass (g)
	Cr2O3	Nb2O5	Anatase TiO2	Hydrated anatase paste	TiOSO4·2H2O	Hydrated Na2Ti4O9 paste
0	—	—	30.00	34.49	73.61	38.59
0.05	1.35	4.71	24.08	27.69	59.08	30.97
0.10	2.55	8.93	18.78	21.60	46.09	24.16
0.20	4.62	16.16	9.71	11.16	23.82	12.49
0.30	6.33	22.13	2.22	2.55	5.44	2.85
0.50	7.55	26.62	—	—	—	—