The Density, Granularity and Silver Content of Photographic Film Exposed to Ionizing Radiations^*

* We are indebted to Mr. C. Waller of Ilford. Ltd. for this information.

Abstract

The diffuse density, specular density and silver content of photographic film exposed to ionizing radiationsintheenergy-rangeO. 1-1 MeV. have been studied. Nosignifrcant variation with energy in the form of the characteristic curve could be observed within this energy range. The relationships between specular density, diffuse density and silver content were identical within the limits of experimental error for all types of radiations studied and for visible light. The linear relationship between the logarithm of the specular density and that of the diffuse density, previously observed in the case of exposure to visible light, was found also to hold for ionizing radiations. A linear relationship between silver content and specular density was found to apply over a wide density range.

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Notes

* We are indebted to Mr. C. Waller of Ilford. Ltd. for this information.