Atomic and nuclear properties of materials:
Platinum (Pt)

Quantity	Value	Units	Value	Units
Atomic number	78
Atomic mass	195.084(9)	g mole-1
Specific gravity	21.5	g cm-3
Minimum ionization	1.128	MeV g-1cm2	24.21	MeV cm-1
Nuclear collision length	112.2	g cm-2	5.230	cm
Nuclear interaction length	195.7	g cm-2	9.125	cm
Radiation length	6.54	g cm-2	0.3051	cm
Critical energy	7.59	MeV (for e-)	7.31	MeV (for e+)
Molière radius	18.29	g cm-2	0.8527	cm
Plasma energy	84.39	eV
Muon critical energy	144.	GeV
Melting point	2042.	K	1768.	C
Boiling point @ 1 atm	4098.	K	3825.	C

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
Explanation of some entries
Table of isotopes
x ray mass attenuation coefficients