Structurally, the sources are a metal substrate in the form of a rectangle made of aluminum alloy, on which a standard solution of radionuclide ⁹⁰Sr is applied on one side. The active spot must be protected from dust, dirt and an aggressive environment.
|A × B, mm||a × b, mm||Nominal activity *||Code|
|5 × 8||3 × 6||0.01 – 0.1||0.37 – 3.7||BSr0.P.40|
|* Tolerance: ±30 %.
ISO classification: C24242.
Recommended working life: 5 years.
Strontium-90 + Yttrium-90 radionuclide purity: 99.9%.
Sources of other activity and in housings of other types can be supplied by special order.