Area 1 Detector Element Weight % Atomic % Uncert. % Correction k-Factor ------- -------- -------- --------- ---------- -------- Al(K) 97.97 99.68 0.56 0.92 1.033 Hf(L) 2.02 0.31 0.13 0.99 3.609 Area 2 Detector Element Weight % Atomic % Uncert. % Correction k-Factor ------- -------- -------- --------- ---------- -------- Al(K) 79.08 96.15 0.45 0.92 1.033 Hf(L) 20.91 3.84 0.18 0.99 3.609 Area 3 Detector Element Weight % Atomic % Uncert. % Correction k-Factor ------- -------- -------- --------- ---------- -------- Al(K) 31.73 75.45 0.24 0.92 1.033 Hf(L) 68.26 24.54 0.48 0.99 3.609