Atomic and nuclear properties of materials:
Sodium carbonate (Na2CO3)
QuantityValueUnits ValueUnits
<Z/A> 0.49062     
Density 2.53 g cm-3   
Mean excitation energy 125.0 eV   
Minimum ionization 1.681 MeV g-1cm2 4.255 MeV cm-1
Nuclear collision length 63.6 g cm-2 25.11 cm
Nuclear interaction length 94.6 g cm-2 37.35 cm
Pion collision length 90.3 g cm-2 35.67 cm
Pion interaction length 125.7 g cm-2 49.63 cm
Radiation length 31.72 g cm-2 12.53 cm
Critical energy 58.48 MeV (for e-) 56.85 MeV (for e+)
Molière radius 11.50 g cm-2 4.543 cm
Plasma energy 32.12 eV   
Muon critical energy 800. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
C
6
1.00
0.113323
O
8
3.00
0.452861
Na
 11
2.00
0.433815
* 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