ELEMENT = Hf

all samples with negative results 38 samples

all samples with positive results 132 samples

samples with element contents between:

0,5 - 1,05 71 samples

1,05 - 1,6 31 samples

1,6 - 2,15 3 samples

2,15 - 2,7 9 samples

2,7 - 3,25 4 samples

3,25 - 3,8 8 samples

3,8 - 4,35 4 samples

4,35 - 4,9 3 samples

4,9 - 5,45 values were measured in any sample

5,45 - 6 1 samples