Atomic and nuclear properties of materials:
Skeletal muscle (ICRP)
QuantityValueUnits ValueUnits
<Z/A> 0.54938     
Specific gravity 1.04 g cm-3   
Minimum ionization 1.970 MeV g-1cm2 2.049 MeV cm-1
Nuclear collision length 58.6 g cm-2 56.38 cm
Nuclear interaction length 83.7 g cm-2 80.46 cm
Radiation length 36.55 g cm-2 35.14 cm
Critical energy 78.83 MeV (for e-) 76.73 MeV (for e+)
Molière radius 9.83 g cm-2 9.453 cm
Plasma energy 21.78 eV   
Muon critical energy 1032. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
H
1
1.00
0.100637
C
6
0.09
0.107830
N
7
0.02
0.027680
O
8
0.47
0.754773
Na
 11
0.00
0.000750
Mg
 12
0.00
0.000190
P
15
0.00
0.001800
S
16
0.00
0.002410
Cl
 17
0.00
0.000790
K
19
0.00
0.003020
Ca
 20
0.00
0.000030
Fe
 26
0.00
0.000040
Zn
 30
0.00
0.000050
* 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