Radiation Shielding Properties Comparison of Pb-Based Silicate, Borate, and Phosphate Glass Matrices

Table 3

Total atomic cross-sections and effective atomic numbers of PbO containing silicate, borate, and phosphate glass system at 662 keV.

Composition of PbO (wt%)	𝜎𝑡,𝑎 (b/atom)
	Silicate glass	Borate glass	Phosphate glass
30	3.81	2.67	3.83
40	4.43	3.15	4.45
50	5.22	3.77	5.25
60	6.26	4.62	6.30
70	7.71	5.86	7.75
Composition of PbO (wt%)	𝑍eff (electron/atom)
	Silicate glass	Borate glass	Phosphate glass
30	14.43	10.20	14.48
40	16.54	11.89	16.61
50	19.15	14.06	19.24
60	22.47	16.93	22.59
70	26.84	20.93	26.97