Portable XRF Technology to Quantify Pb in Bone In Vivo

Table 5

Bone Pb concentrations for cadaver bones with different Lucite thicknesses calculated from the background subtraction method.

Cadaver bone	Background subtraction with Lucite thickness
	KXRF	0 mm	1 mm	2 mm	3 mm
6900	23.12	23.44	24.54	19.49	20.92
7202	22.17	19.23	22.02	14.56	16.72
6918	21.17	9.35	13.05	5.96	2.97
7131	20.77	25.59	20.9	21.68	18.1
7162	18.36	17.91	18.5	16.32	12.07
7002	13.54	15.29	14.48	14.54	10.8
6895	9.82	15.91	13.86	10.31	12.94