Table 7.

Calibration lines data for poP bare bone (t = 0 mm) and poP bone with overlapping POM, resin and wax ST phantoms of four different thickness values. The number in the round parentheses is the uncertainty in the last one or two significant figures of the corresponding value.

ST	Thickness t (mm)	Pb Lα			Pb Lβ
		Slope(s)(keV μg−1g)	y-intercept(keV)	R2	Slope(s)(keV μg−1g)	y-intercept(keV)	R2
	0.00	0.073(2)	0.09(7)	0.996	0.073(5)	−0.1(2)	0.975
POM	1.10(5)	0.035(3)	0.14(11)	0.973	0.042(5)	−0.1(2)	0.932
	1.89(5)	0.015(3)	0.33(12)	0.839	0.023(2)	−0.03(8)	0.962
	3.23(3)	0.0076(13)	0.25(6)	0.868	0.016(2)	0.20(13)	0.914
	4.36(3)	0.006(3)	0.29(11)	0.494	0.0119(13)	0.03(5)	0.945
Resin	1.10(5)	0.048(2)	−0.14(9)	0.989	0.052(5)	−0.2(2)	0.958
	2.18(5)	0.036(4)	0.03(18)	0.932	0.030(2)	0.14(10)	0.968
	3.05(3)	0.013(2)	0.12(10)	0.857	0.020(4)	−0.02(18)	0.811
	4.19(3)	0.006(2)	0.11(10)	0.583	0.009(2)	0.14(10)	0.738
Wax	1.47(8)	0.046(6)	0.0(2)	0.923	0.046(2)	−0.15(9)	0.989
	2.04(8)	0.0355(16)	0.11(7)	0.989	0.025(6)	0.1(3)	0.760
	3.48(8)	0.026(3)	0.30(13)	0.933	0.033(4)	0.02(15)	0.945
	4.01(5)	0.021(3)	0.16(13)	0.898	0.022(4)	0.05(16)	0.872