The solid sources we supply are securely encapsulated in heat-resistant, waterproof plastic disks 25mm in diameter and 4–6mm thick. The sample is deposited in a well that is then filled with an epoxy material, safely sealing in the radioactivity. Not available for sale in Canada. Set of three.
Polonium-210 (Po-210), Solid Activity: 0.1μCi, Emission: α, γ, (T-1/2): 138 Days
Strontium-90 (Sr-90), Solid Activity: 0.1μCi, Emission: β, (T-1/2): 29 Years
Cobalt-60 (Co-60), Solid Activity: 1μCi, Emission: β, γ, (T-1/2): 5.3 Years
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