The bulk etching behavior of makrofol KG film has been studied. It is shown that the bulk etching rate as a function of etching temperature can be described by Arrhenius equation
V
b
=
ae
-E/KT
.
The activation energy for bulk etching is
E
=0.66±0.02eV. The relation of the bulk etching rate to the concentration of etchant is
V
b
=
an
b
where
b
=2.02 for 1 to 10 mol/l NaOH.
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references
G. Somogyi and I. Hunyadi , Nucl. Tracks , ( 1979 ), 2 : 443 .