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Exercise 4.6 For two unknown samples, the following numerical data (Tables A and B) were obtained from X-ray diffraction patterns using Cu-Ka radiation (= 0.1542 nm). By assuming that the unknown sample is a single phase, identify each sample using the Hanawalt method. 2 ctn 2 3 4 Table A 28 dA) 36.90 2.436 42.77 2.114 62.14 1.494 74.50 1.274 78.51 1.218 93.95 1.055 105.74 0.967 109.92 0.942 20 100 55 5 IS S 2 15 - inn Table B 20 dA) 35.83 2.506 41.74 2.164 60.45 1.532 72.33 1.307 76.05 1.252 90.77 1.083 101.68 0.994 105.47 0.969 85 100 60 35 20 10 15 25 4 S 6 7 8 6 7 8