In the spectrum below, identify as many peaks as you can in the X-ray fluorescence spectrum of soil from the location where water from the roof of a house drips onto the ground. For each KαK_α peak, state where the KβK_βpeak should appear, and state whether there is a plausible peak at the KβK_β position. There must be a KβK_β for every KαK_α, but the KβK_β intensity should be only ~1/5 - 1/5 of the KαK_α intensity.

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Detector response (counts/s) 70 60 50 40 30 20 10 0 T T T 1 1 4 ا السيد 6 6.40 7.05 | 8.07 8.62 7.50 ا 8 10.57 10 12.60 12 -14.8 -14.1 wit 14 15.78 16 Problem 21-35. X-ray fluorescence spectrum of soil taken from the location where water drips from the roof of a house 17.50 X-ray energy (keV) Harris/Lucy, Quantitative Chemical Analysis, 10e, © 2020 W. H. Freeman and Company -18.58 -19.59 18 20