Point 1 Detector Element Weight % Atomic % Uncert. % Correction k-Factor ------- -------- -------- --------- ---------- -------- O(K) 4.22 7.01 0.12 0.51 1.921 Al(K) 94.33 92.77 0.40 0.92 1.033 Hf(L) 1.43 0.21 0.08 0.99 3.609 Point 2 Detector Element Weight % Atomic % Uncert. % Correction k-Factor ------- -------- -------- --------- ---------- -------- O(K) 1.41 5.29 0.06 0.51 1.921 Al(K) 32.85 72.71 0.18 0.92 1.033 Hf(L) 65.73 21.99 0.36 0.99 3.609 Point 3 Detector Element Weight % Atomic % Uncert. % Correction k-Factor ------- -------- -------- --------- ---------- -------- O(K) 1.88 6.63 0.07 0.51 1.921 Al(K) 35.22 73.52 0.17 0.92 1.033 Hf(L) 62.89 19.84 0.31 0.99 3.609 Point 4 Detector Element Weight % Atomic % Uncert. % Correction k-Factor ------- -------- -------- --------- ---------- -------- O(K) 3.40 5.69 0.11 0.51 1.921 Al(K) 94.82 94.04 0.43 0.92 1.033 Hf(L) 1.77 0.26 0.09 0.99 3.609