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sklademVydáno: 2004-02-12
BS ISO 9236-1:2004
Photography. Sensitometry of screen/film systems for medical radiography Determination of sensitometric curve shape, speed and average gradient
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| Označení normy: | BS ISO 9236-1:2004 |
| Počet stran: | 30 |
| Vydáno: | 2004-02-12 |
| ISBN: | 0 580 43378 1 |
| Status: | Standard |
DESCRIPTION
BS ISO 9236-1:2004
This standard BS ISO 9236-1:2004 Photography. Sensitometry of screen/film systems for medical radiography is classified in these ICS categories:
- 11.040.50 Radiographic equipment
- 37.040.25 Radiographic films
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.