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Radioactivity services

Radioactive Air Filters

Radioactive air filters are used to calibrate detector systems used by air monitoring stations and laboratories. We can provide various filter types including 3M, RASA, CINDERELLA/ARAME and SPALAX. These can be in both full or half geometries. 

The filters are spiked with the standard NPL Mixed Radionuclide solution, with the optional addition of a 210Pb solution. Filters are nominally 5-10 kBq total activity.  

NPL can also provide non-standard filters, please contact Customer Services via the button below if you have other specific requirements. 

Don’t see what you are looking for? Our diverse skill set enables us to provide bespoke solutions. Please contact us to discuss your requirements.

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Contact our Customer Services team on +44 20 8943 7070