ELEMENT = Nb

all samples with negative results 1 samples

all samples with positive results 31 samples

samples with element contents between:

0,1056 - 1,12734 11 samples

1,12734 - 2,14908 7 samples

2,14908 - 3,17082 2 samples

3,17082 - 4,19256 3 samples

4,19256 - 5,2143 8 samples