Atomic and nuclear properties of materials:
Compact bone (ICRU)
QuantityValueUnits ValueUnits
<Z/A> 0.53010     
Density 1.85 g cm-3   
Mean excitation energy 91.9 eV   
Minimum ionization 1.849 MeV g-1cm2 3.421 MeV cm-1
Nuclear collision length 61.4 g cm-2 33.18 cm
Nuclear interaction length 89.2 g cm-2 48.22 cm
Pion collision length 88.7 g cm-2 47.95 cm
Pion interaction length 121.1 g cm-2 65.47 cm
Radiation length 30.49 g cm-2 16.48 cm
Critical energy 61.41 MeV (for e-) 59.72 MeV (for e+)
Molière radius 10.53 g cm-2 5.690 cm
Plasma energy 28.54 eV   
Muon critical energy 837. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
H
1
1.00
0.063984
C
6
0.36
0.278000
N
7
0.03
0.027000
O
8
0.40
0.410016
Mg
 12
0.00
0.002000
P
15
0.04
0.070000
S
16
0.00
0.002000
Ca
 20
0.06
0.147000
* calculated from mass fraction data.

Explanation of some entries
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT