Table 5. Ranges of scattering slope, b, for which the six best ratios were still considered best ratios. To still be considered a best ratio, these values of b had to result in ≤ 20% error for simulations and Sets 1-3 measured with Instrument 1.

	545/390	452/390	570/390	529/390	584/390	500/390
b range	0.67-0.8	0.57-0.8	0.64-0.83	0.55-0.78	0.59-0.79	0.37-0.68