BS ISO 9236-1:2004
Photography. Sensitometry of screen/film systems for medical radiography - Determination of sensitometric curve shape, speed and average gradient
Photography. Sensitometry of screen/film systems for medical radiography - Determination of sensitometric curve shape, speed and average gradient
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Дата публикации:
- 12 февраля 2004 г.
- ICS:
- 11.040.50
- SKU:
- BS ISO 9236-1:2004
Abstract
1 Scope This part of ISO 9236 specifies methods for the determination of the sensitometric curve shape, average gradient and speed of a single sample of a screen/film/filmholder/processing system for medical radiography. It is not applicable to special radiographic applications such as mammography, dental radiography and direct-exposing medical radiographic systems (see for example ISO 5799 [3] ). The filmholder can be any means that ensures close screen/film contact and prevents the film from being exposed to ambient light. In particular, the filmholder can be a light-tight vacuum bag, as often used in the laboratory, or a radiographic cassette as used in medical radiography.
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