Certified valuesCe . 49.1 mg/kgNd.19.1 mg/kgTh. 7.64 mg/kgDy. 2.90 mg/kgSc .7.81 mg/kgTm. 0.232 mg/kgGd . 3.25 mg/kgSm .3.50 mg/kgU . 1.90 mg/kgLa . 24.4 mg/kgTb .0.503 mg/kgYb. 1.57 mg/kgIndicative values for: As, Au, Co, Cr, Cs, Cu, Er, Eu, Fe, Hf, Ho,