Riniken* Al (Mo) Si (Mo) S (Mo) K (Mo) Ca (Mo) Ti (Mo) Fe (Mo) Al (Cr) "0,84762" Si (Cr) "0,91405" S (Cr) "0,86852" K (Cr) "0,91213" Ca (Cr) "0,84328" Ti (Cr) "0,91218" Fe (Cr) "0,75801" * Pearson's correlation coefficients calculated for the Riniken XRF-CS datasets measured with different X-ray tubes.