Abstract
As the alanine dosimetry for radiation processing can be executed in crystalline form of the amino acid very rarely, crystals have to be composited with a binder into a shape demanded by particular dosimetric application (electron beam or gamma radiation processing) and by the mode of evaluation of total concentration of the radical anion formed by deamination of alanine (EPR, DSR). The nature and amount of binders proposed until now are very different. Their radiation chemistry and possibility of interaction products with alanine crystals and radicals in it is discussed. Concentration of the radical anion CH 3C •HCOO − determines the dose. The radical formed by deamination is firmly localized in the lattice of alanine molecules. Being in that environment, it is very resistant towards an attack of reagents from outside of crystals. Discussion of interactions is complicated, if the additives are not fully revealed, as it is the case in commercially available dosimeters.
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