Table 1 Elemental composition of the CFA sample

From: Sustainable extraction of rare earth elements from coal fly ash leachates using a recyclable ionic liquid

REEs(ppm)

Major oxides (mass %)

Sc

22.13

MgO

6.98

Y

31.52

Al2O3

16.56

La

46.72

SiO2

29.49

Ce

91.09

CaO

31.1

Pr

9.4

TiO2

1.12

Nd

33.65

Fe2O3

4.8

Sm

6.52

  

Eu

2.52

Trace elements (ppm)

Gd

6.75

Tb

0.97

V

192

Dy

5.52

Mn

80

Ho

1.11

Ni

39

Er

3.15

Cu

181

Yb

2.81

Cd

2

Lu

0.43

Pb

63

Total

264.29

  
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