Atomic and nuclear properties of blood (ICRP)
QuantityValueUnits ValueUnits
<Z/A> 0.54995     
Specific gravity 1.060 g cm-3   
Mean excitation energy 75.2 eV   
Minimum ionization 1.971 MeV g-1cm2 2.089 MeV cm-1
Nuclear collision length 58.6 g cm-2 55.30 cm
Nuclear interaction length 83.6 g cm-2 78.90 cm
Pion collision length 86.1 g cm-2 81.22 cm
Pion interaction length 115.5 g cm-2 109.0 cm
Radiation length 36.53 g cm-2 34.46 cm
Critical energy 78.81 MeV (for e-) 76.71 MeV (for e+)
Molière radius 9.83 g cm-2 9.272 cm
Plasma energy ℏωp 22.00 eV   
Muon critical energy 1032. GeV   
Composition:
Elem ZAtomic frac* Mass frac
H
1
1.00
0.101866
C
6
0.08
0.100020
N
7
0.02
0.029640
O
8
0.47
0.759414
Na
 11
0.00
0.001850
Mg
 12
0.00
0.000040
Si
 14
0.00
0.000030
P
15
0.00
0.000350
S
16
0.00
0.001850
Cl
 17
0.00
0.002780
K
19
0.00
0.001630
Ca
 20
0.00
0.000060
Fe
 26
0.00
0.000460
Zn
 30
0.00
0.000010
* calculated from mass fraction data

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