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. Author manuscript; available in PMC: 2009 Sep 11.
Published in final edited form as: Med Phys. 2006 Aug;33(8):3006–3017. doi: 10.1118/1.2219332

Table VII.

CT numbers of 50 mg/cc CaCO3 and 100 mg/cc CaCO3 in water mixtures for monoenergetic x-ray beams.

Energy (keV) CT no.50 mg/cc CaCO3 CT no.100 mg/cc CaCO3
60 74.2 148.5
62 70.6 141.1
64 67.2 134.5
66 64.3 128.5
68 61.6 123.1
70 59.1 118.3
72 56.9 113.9
74 54.9 109.9
76 53.1 106.3
78 51.5 102.9
80 50.0 99.9