Radon measurement with DIY track detectors

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Radon: origin, health effects, measurements, Marco Silari, CERN: https://indico.cern.ch/event/394905/contributions/1833068/attachments/790741/1083885/Seminar_CERN_on_Radon.pdf


Playing with Radioaktiviät - cool.

Alpha particles form the gas or liquid shoot holes in the plastic, then you develop it to make the hole bigger. Take CR-39 Plastic (from laser googles ?) etch it with 7M NaOH, 70°C for 5h ?

1 M NaOH is 40g

NaOH is commonly used to develop photo-resist when making DIY printed circuit boards... so we should have some in the lab.

PMMA/Acryl should work as well...

Can we use the DVD laser scanner to see the holes?


[Measurement of Radon Gas Concentrations in Tap Water for Baghdad Governorate by Using Nuclear Track Detector (CR-39) http://pubs.sciepub.com/ijp/3/6/2/?fbclid=IwAR0GLvaM6EkER8TcrBJIdTH-v8hPOXcyBhTL42tHuLWhxjHgkD6ixtpC9gg]