Table 1 Hydrolysis degree, compositions and structures for metatitanic acid at different hydrolysis time.

From: Structural evolution of metatitanic acid and iron removal during hydrolysis of industrial TiOSO4 solution

No.

Hydrolysis time (min)

Hydrolysis degree (%)

Wt,TiO2 (%)

L(101) ,MA (nm)

Lattice Strain (%)

D (µm)

Diameter distance ratio*

SBET (m2/g)

Pore diameter (nm)

Fe (%)

1

60

47.57

51.99

12.7

0.541

1.54

0.99

268

3.4

2.61

2

70

60.07

63.06

13.1

0.539

1.58

1.01

274

3.4

1.82

3

80

64.94

67.61

13.4

0.537

1.65

1.01

277

3.4

1.27

4

90

77.59

73.00

14.4

0.570

1.57

1.01

265

3.4

1.00

5

107

88.30

73.06

15.0

0.563

1.58

1.03

286

3.4

0.87

6

137

92.48

75.39

15.6

0.559

1.62

1.00

311

3.4

0.46

7

167

93.87

79.21

15.7

0.551

1.67

1.04

309

3.4

0.11

8

197

94.35

79.99

21.4

0.545

1.75

1.05

298

3.4

0.10

9

227

94.40

80.09

22.4

0.552

1.48

1.03

307

3.1

0.09

10

257

96.50

78.31

22.8

0.536

1.36

1.04

295

3.4

0.28

11

287

96.65

79.15

23.8

0.524

1.31

1.05

285

3.4

0.20

  1. *The Diameter distance ratio was the degree of dispersion of particle size distribution, represented by the calculated result of (D90–D10)/D50 as for the measured particle size.
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