Abstract
A new technique for the preparation of a beta scintillating plastic from a resin doped with fluorescent material is presented. The making of the plastic is easy, quick, and does not require any special laboratory equipment. This formulation for a polymerization kit enables to obtain a beta ternary plastic scintillator device with the shape and the size required by the user. The plastic can be either cast into a mould or machined to obtain a device, ready to be used as a nuclear detector in experiments involving beta emitters. It can be used for making radiochromatography cells, capillary electrophoresis devices, etc. The capability of the plastic has been tested in a diffusion experiment: the self-diffusion coefficient of labelled chloride 36Cl − in an aqueous electrolyte solution of 0.1 M sodium chloride has been measured by the closed capillary technique. The result is in good agreement with published values.
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