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Table 2 Variation of oxide composition with milling hours

From: Preparation and Characterization of Nano structured Materials from Fly Ash: A Waste from Thermal Power Stations, by High Energy Ball Milling

Milling hours

Al2O3(%)

SiO2(%)

CaO (%)

TiO2(%)

Fe2O3(%)

0

32.16

59.23

0.99

2.59

5.03

20

29.13

62.63

1.31

2.54

4.39

40

27.35

63.59

1.28

2.13

5.65

50

28.55

63.14

0.83

1.85

5.63

60

27.8

62.82

1.32

1.99

6.06

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