669 / 945
Kalender WA et al. Radiology 164:419-423, 1987
X-ray Attenuation
1.0E-01
1.0E+00
1.0E+01
1.0E+02
10
30
50
70 90 110 130 150
Energy / keV
Attenuation
Iodine
Bone
Large decrease
Small decrease
56 keV
92 keV
Oxygen
Iodine /
Xenon
Calcium