290-291 / 3107
Procedure in the standard laboratory for calibration of
your ionization chamber
your i.c. in water in reference conditions in
60
Co beam
M
Co
their primary or secondary
standard in water in
60
Co
D
w,Co
N
D,w,Co
= D
w,Co
/ M
Co
your
calibration
factor
= dose/reading in
60
Co beam