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GB/T 24791.3-2009 Active
GB/T 24791.3-2009 Photography—Sensitometry of screen/film systems for medical radiography—Part 3:Determination of sensitometric curve shape,speed and average gradient for mammography
Abstract
This part of GB/T 24791 describes the shape of the photosensitive characteristic curve, the average slope, and the measurement method of the sensitivity of breast X-ray screens/films/film holders/processing systems. The film holder can be of any form, as long as it ensures that the screen/film is in close contact and prevents the film from being exposed to ambient light. The film holder can be a light-tight vacuum bag often used in experiments, or an X-ray imaging cassette used during breast X-ray photography.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 24791.3-2009 |
| CCS | Information using chemicals |
| ICS | X-ray photographic film |
| Implement Date | 2010-06-01 |
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