ISO 5799:1991

Photography — Direct-exposing medical and dental radiographic film/process systems — Determination of ISO speed and ISO average gradient

Publication date:   Aug 8, 1991

General information

90.93   Standard confirmed   Jun 6, 2026

ISO

ISO/TC 42 Photography

International Standard

37.040.25   Radiographic films

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Scope

Specifies measuring methods so that the film/process system can be obtained reproducibly and can also be compared with those of other systems. Describes sensitometric procedures for films exposed directly to X-rays. This second edition cancels and replaces the first edition (1981).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5799:1981

NOW

PUBLISHED
ISO 5799:1991
90.93 Standard confirmed
Jun 6, 2026