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I.S. ISO 5799:1991

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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-EXPOSURE MEDICAL AND DENTAL RADIOGRAPHIC FILM/PROCESS COMBINATIONS - DETERMINATION OF ISO SPEED AND AVERAGE GRADIENT
Available format(s)

Hardcopy , PDF

Withdrawn date

25-12-2020

Language(s)

English

Published date

01-01-1991

Publisher

National Standards Authority of Ireland

Preview

Foreword
1 Scope and field of application
2 References
3 Definitions
4 General conditions
5 Standard exposing conditions
6 Processing
7 Densitometry
8 Evaluation
Annex A Calibration of ionization chambers
Annex B Manual processing with standard chemicals

Specifies methods for determining the ISO speed and average gradient of the film/film-process combinations used in medical and dental radiography other than mammography. Sensitometric procedures are described for films exposed directly to X-rays. Provides a method for the measurement of ISO speed and average gradient so that the characteristics of the film/film-process system can be obtained reproducibly and can also be compared with those of other systems. Standard process formulae and cycles are intended primarily for those applications where specification or comparison work must include a specific published set of formulae and cycle characteristics.

DocumentType
Standard
Pages
15
PublisherName
National Standards Authority of Ireland
Status
Withdrawn

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 3300:1976 Photographic grade sodium thiosulphate, anhydrous — Specification
ISO 420:1994 Photography Processing chemicals Specifications for potassium bromide
ISO 3628:1994 Photography — Processing chemicals — Specifications for boric acid, granular
ISO 418:2001 Photography Processing chemicals Specifications for anhydrous sodium sulfite
ISO 423:1994 Photography Processing chemicals Specifications for hydroquinone
ISO/R 209:1971 Composition of wrought products of aluminium and aluminium alloys — Chemical composition (per cent)
ISO 5:1974 Photography Determination of diffuse transmission density
ISO 3620:1994 Photography Processing chemicals Specifications for aluminium potassium sulfate
ISO 3942:1976 Photographic grade sodium carbonate, monohydrate — Specification
ISO 3627:2001 Photography Processing chemicals Specifications for anhydrous sodium metabisulfite
ISO 422:1994 Photography Processing chemicals Specifications for p-methylaminophenol sulfate
ISO 3943:1993 Photography — Processing chemicals — Specifications for anhydrous sodium acetate

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