Table 1 Water content grade of the samples.

From: Hyperspectral analysis and inversion model study of water content in magnetite

Number

Water content (%)

Number

Water content (%)

1

0

11

21.0

2

3.0

12

24.0

3

5.0

13

25.0

4

6.0

14

28.0

5

9.0

15

30.0

6

10.0

16

31.0

7

12.0

17

33.0

8

15.0

18

35.0

9

18.0

19

38.0

10

20.0

20

40.0