REVIEW ON DEVELOPER AND FIXER CONTROL FOR AUTOMATIC X-RAY FILM PROCESSOR

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  • 自現装置のフィルム処理剤管理方法の再検討
  • ジゲン ソウチ ノ フィルム ショリザイ カンリ ホウホウ ノ サイケントウ

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Abstract

Automatic X-ray film processors have been put to a remarkably wide use during the last few years. However, to obtain full performance of an automatic X-ray film processor, it is necessary not only to keep the device itself in adequate mechanical maintenance but also to properly control the processing solutions. To the best of our knowledge, while there is practically no problem on the former, there appears to be a tendency to disrigard the latter. We have studied the control of a developer and fixer to be used with an automatic X-ray film processor, namely, performance of the solutions, fatigue process, limits of processing capacity, methods of maintaing effectivenes, etc., and, on the basis of the results obtained, have established an applieable routine control method. With a view to further increase the efficiency of we examined each of the factors considered adverse to the control. The principal parts of this study are being contributed, as a serial of Report 1 to 7,to a Japanese journal "Fuji X-Ray Report". Comparison between before and after the establishment of the central has shown the following : 1) As the developing capacity of solution bas become generally constant, X-ray photographing conditions are now comparatively easy to set up. 2) Actual X-ray films have become generally uniform in density and tone. 3) Processing capacity of a developer used has increased by as much as four times or so of the figure designated by its manufacturer, resulting in some reduction of cost. 4) It has become passible to clearly see any irregularity in a processing solution. From the foregoing, we keenly feel that, as long as an automatic X-ray processor is employed, it is ihdispensable to control the solutions therefor and to have available a standard exposurer, density meter, etc. required for the control.

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