Sample

Content (g/L)

La

Ce

Nd

Pr

Sm

Gd

Dy

Y

Sulphuric liquor

6.7

14.8

5.6

1.5

0.69

0.56

0.16

0.49

Hydrochloric liquor

6.5

14.6

5.6

1.6

0.70

0.56

0.16

0.47

Nitric liquor

6.5

14.5

5.7

1.5

0.71

0.56

0.16

0.50