Certified valuesCe . 56.7 mg/kgLa .27.8 mg/kgTb. 0.682 mg/kgDy. 4.01 mg/kgLu .0.325 mg/kgTh. 10.0 mg/kgEr . 2.35 mg/kgNd.25.0 mg/ kgTm.0.326 mg/ KgEu . 1.00 mg/kgPr.6.14 mg/kgU . 2.26 mg/kgGd . 4.41 mg/kgSc .13.7 mg/kgYb. 2.20 mg/kgHo . 0.796 mg/kgSm .4.6