TABLE 2.

Electron IMFPs from the TPP-2M equation³ for water, 1 mol/L NaI, and 10 mol/L NaI for electron energies from 65 eV to 1500 eV.

Energy (eV)	IMFP (nm) Water	IMFP (nm) 1 mol/L NaI	IMFP (nm) 10 mol/L NaI
65	0.77	0.72	0.58
70	0.78	0.73	0.60
80	0.81	0.76	0.62
90	0.83	0.78	0.65
100	0.86	0.81	0.67
110	0.89	0.84	0.70
120	0.92	0.87	0.73
130	0.95	0.90	0.76
140	0.98	0.93	0.79
150	1.01	0.96	0.81
160	1.05	0.99	0.84
170	1.08	1.03	0.87
180	1.11	1.06	0.90
190	1.14	1.09	0.93
200	1.18	1.12	0.96
250	1.34	1.28	1.10
300	1.51	1.44	1.24
400	1.83	1.76	1.50
500	2.15	2.06	1.71
600	2.46	2.36	2.02
700	2.76	2.65	2.27
800	3.06	2.93	2.51
900	3.35	3.21	2.75
1000	3.64	3.49	2.98
1250	4.35	4.17	3.55
1500	5.03	4.82	4.11