Table of Contents

X-Ray Mass Attenuation Coefficients

Table 4. Values of the mass attenuation coefficient, μ/ρ, and the mass energy-absorption coefficient, μen/ρ, as a function of photon energy, for compounds and mixtures. The compositions of various human tissues were taken from ICRU Report 44 (1989). Absorption edges for the constituent atoms are indicated by the atomic number and shell designation.

Material   Material

A-150 Tissue-Equivalent Plastic   Glass, Lead
Adipose Tissue (ICRU-44) Lithium Fluride
Air, Dry (near sea level) Lithium Tetraborate
Alanine Lung Tissue (ICRU-44)
Bakelite Magnesium Tetroborate
Blood, Whole (ICRU-44) Mercuric Iodide
Bone, Cortical (ICRU-44) Muscle, Skeletal (ICRU-44)
B-100 Bone-Equivalent Plastic Ovary (ICRU-44)
Brain, Grey/White Matter (ICRU-44) Photographic Emulsion, Kodak Type AA
Breast Tissue (ICRU-44) Photographic Emulsion, Standard Nuclear
C-552 Air-equivalent Plastic Plastic Scintillator, Vinyltoluene
Cadmium Telluride Polyethylene
Calcium Fluoride Polyethylene Terephthalate, "Mylar"
Calcium Sulfate Polymethyl Methacrylate
15 mmol L-1 Ceric Ammonium Sulfate Solution Polystyrene
Cesium Iodide Polytetrafluoroethylene, "Teflon"
Concrete, Ordinary Polyvinyl Chloride
Concrete, Barite (Type BA) Radiochromic Dye Film, Nylon Base
Eye Lens (ICRU-44) Testis (ICRU-44)
Ferrous Sulfate, Standard Fricke Tissue, Soft (ICRU-44)
Gadolinium Oxysulfide Tissue, Soft (ICRU Four-Component)
Gafchromic Sensor Tissue-Equivalent Gas, Methane Based
Gallium Arsenide Tissue-Equivalent Gas, Propane Based
Glass, Borosilicate "Pyrex" Water, Liquid

Abstract   |   Introduction   |   Mass Atten. Coef.   |   Mass Energy-Absorp. Coef.   |   Summary   |   References