Portable XRF Technology to Quantify Pb in Bone In Vivo

Table 6

Bone Pb concentrations for three intact cadaver bones measured by portable XRF for 9 times compared to those measured by KXRF.

Cadaver bone ID	Cadaver bone (ppm)
	7042	7031	7168
KXRF	14.27 ± 1.19	19.7 ± 1.04	3.64 ± 1.07
1	14.55 ± 1.68	17.69 ± 4.74	7.07 ± 10.51
2	15.42 ± 1.69	16.4 ± 4.72	5 ± 10.44
3	14.75 ± 1.68	17.75 ± 4.66	15.8 ± 10.67
4	12.58 ± 1.66	13.63 ± 4.68	12.93 ± 10.64
5	10.98 ± 1.65	22.86 ± 4.79	12.24 ± 10.57
6	14.69 ± 1.67	18.13 ± 4.87	16.2 ± 10.71
7	13.2 ± 1.66	24.15 ± 4.95	6.89 ± 10.54
8	12.44 ± 1.64	17.67 ± 5	11.58 ± 10.75
9	12.5 ± 1.64	15.55 ± 5.01	24.25 ± 10.76
Average ± SD	13.46 ± 1.46	18.2 ± 3.34	12.44 ± 5.93
Soft tissue thickness (mm)	1.3	4.1	5.6