Abstract
Radiographic processing developers have a direct effect on radiographic film “quality” as measured by the radiographic speed, contrast, and image quality. Various films, as measured by percent Equivalent Penetrameter Sensitivity (%EPS ASTM) in different developers and cycles, were found to have a dependence on the bromide level. The conclusion is that each film brand and type has a specific level of highest image quality or penetrameter sensitivity depending on the bromide level, brand of developer, and even the cycle. It is also concluded that, while bromide levels affect contrast and image quality, these two factors are independent. Image quality can improve as bromides rise while contrast deteriorates. Image quality is developer and bromide level dependent.
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