COMPOUNDS = K2O

all samples with negative results 2 samples

all samples with positive results 30 samples

samples with compounds contents between:

0,1258 - 5,14066 14 samples

5,14066 - 10,15552 4 samples

10,15552 - 15,17038 8 samples

15,17038 - 20,18524 2 samples

20,18524 - 25,2001 2 samples