ELEMENT = Er

all samples with negative results 8 samples

all samples with positive results 24 samples

samples with element contents between:

0,1199 - 0,29508 4 samples

0,29508 - 0,47026 3 samples

0,47026 - 0,64544 5 samples

0,64544 - 0,8206199 7 samples

0,8206199 - 0,9958 5 samples