The discussion centers on identifying the most effective instrument for leak testing very low levels of Americium, specifically in old smoke detectors. Participants emphasize that measuring alpha emissions is crucial, as Americium primarily emits alpha particles, which are difficult to detect due to their limited range in air. The consensus suggests that a windowless gas flow proportional counter is the most suitable device, offering higher sensitivity for such low levels, while a High-Purity Germanium (HpGe) detector may also be used but is less efficient for alpha detection. The discussion concludes that the cost of accurate testing may outweigh the benefits of simply replacing the smoke detector.
PREREQUISITESThis discussion is beneficial for radiation safety professionals, environmental scientists, and anyone involved in the maintenance or disposal of smoke detectors containing Americium. It provides insights into effective measurement techniques and regulatory considerations for handling radioactive materials.
sophiecentaur said:Radioactivity is one of those things that kids really don't need hands - on experience of.
Replacing detectors at appropriate intervals is what will ensure against that - not teaching kids about faulty old devices. There are two entirely different issues here.rbelli1 said:Getting trapped in a burning building due to a defective smoke alarm is also pretty bad.
@Happy Days2021 What is your goal here?
BoB