BS ISO 9236-3:1999
Current
The latest, up-to-date edition.
Photography. Sensitometry of screen/film systems for medical radiography Determination of sensitometric curve shape, speed and average gradient for mammography
Hardcopy , PDF
English
15-04-1999
Defines procedures for determining the sensitometric curve shape, average gradient and speed of a single sample of a screen/film/filmholder/processing system in mammography.
| Committee |
CPW/42
|
| DevelopmentNote |
Supersedes 97/704152 DC. (05/2005) Reviewed and confirmed by BSI, August 2016. (07/2016)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO9236 specifies methods for determination of the sensitometric curve shape, average gradient and speed of a single sample of a screen/film/filmholder/processing system in mammography.
The filmholder may be any means which ensures close screen/film contact and prevents the film from being exposed to ambient light. In particular, the filmholder may be a light-tight vacuum bag, as often used in the laboratory, or a radiographic cassette as used in mammography.
NOTE— Hereafter, screen/film/filmholder combinations will be referred to as \'combinations\', and will be referred to as \'systems\' when the processing is included.
| Standards | Relationship |
| ISO 9236-3:1999 | Identical |
| ISO 5799:1991 | Photography — Direct-exposing medical and dental radiographic film/process systems — Determination of ISO speed and ISO average gradient |
| ISO 5-3:2009 | Photography and graphic technology — Density measurements — Part 3: Spectral conditions |
| ISO 5-1:2009 | Photography and graphic technology — Density measurements — Part 1: Geometry and functional notation |
| ISO 554:1976 | Standard atmospheres for conditioning and/or testing — Specifications |
| ISO 5-2:2009 | Photography and graphic technology — Density measurements — Part 2: Geometric conditions for transmittance density |
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