Synthesis and Characterization of Rutile Pigments with Cr and Nb

Table 2

An effect of composition on color properties of pigments prepared at calcination temperature 1050°C.

	Anatase TiO2					Hydrated anatase paste
					(°)					(°)
0	93.49	−0.64	4.16	4.21	98.75	92.17	−1.36	9.90	9.99	97.82
0.05	64.05	17.26	41.84	45.26	67.58	52.55	6.87	22.94	23.95	73.33
0.10	59.14	17.12	39.25	42.82	66.43	51.92	7.14	24.99	25.99	74.05
0.20	52.29	13.79	33.75	36.46	67.78	49.22	7.68	24.62	25.79	72.68
0.30	44.56	8.35	25.17	26.52	71.65	47.20	7.77	22.22	23.54	70.73
0.50	44.88	6.73	22.01	23.02	73.00	44.88	6.73	22.01	23.02	73.00
	TiOSO4·2H2O					Hydrated Na2Ti4O9 paste
					(°)					(°)
0	92.42	−0.42	4.81	4.83	94.99	94.27	0.64	2.05	2.15	72.66
0.05	71.26	12.33	41.51	43.30	73.46	68.82	3.32	35.20	35.36	84.61
0.10	64.01	15.51	40.32	43.20	68.96	58.30	5.18	36.55	36.92	81.93
0.20	56.89	11.06	33.08	34.88	71.51	48.59	8.18	22.70	24.13	70.18
0.30	48.20	6.32	25.48	26.25	76.07	47.72	7.97	24.45	25.72	71.95
0.50	44.88	6.73	22.01	23.02	73.00	44.88	6.73	22.01	23.02	73.00