NAPM IT2.48 : 0
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PHOTOGRAPHY - DIRECT-EXPOSING MEDICAL AND DENTAL RADIOGRAPHIC FILM/PROCESS SYSTEMS - DETERMINATION OF ISO SPEED AND ISO AVERAGE GRADIENT
Hardcopy
23-07-2013
English
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Sampling and storage
5 Method of test
6 Product classification
7 Product marking and labelling
Tables
1 ISO speed scale
2 ISO speed scale
3 ISO average gradient scale
Figure
1 Method for determining ISO speed and ISO average gradient
Annexes
A Calibration parameters
B Improvement of the reproducibility measurement of x-rays
C Scattered radiation measurement
D Units of measurement
Determines the ISO average gradient and speed of film/process combinations that are used in dental and medical radiography other than mammography. Describes the films exposed directly to X-rays.
| DevelopmentNote |
Revision and redesignation of ANSI PH2.50-1983
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
National Association of Photographic Manufacturers, Inc.
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| ISO 5799:1991 | Identical |
| ISO 4037:1979 | X and gamma reference radiations for calibrating dosemeters and dose ratemeters and for determining their response as a function of photon energy |
| 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 5-2:2009 | Photography and graphic technology Density measurements Part 2: Geometric conditions for transmittance density |
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