SURFACE ACTIVITY DENSITY
Definition
A <SURFACE ACTIVITY DENSITY> is a <Property> which is a <RATIO> between the Radioactivity of an Object and its <TOTAL SURFACE AREA> expressed as <SURFACE ACTIVITY DENSITY>= A/S where S is the <TOTAL SURFACE AREA> of a sample and A is its <ACTIVITY>. Defined in ISO 80000-10 (2009) 10-32