OS GSO ISO 7004:2015
ISO 7004:2002
Omani Standard
Current Edition
·
Approved on
03 September 2015
Photography -- Industrial radiographic films -- Determination of ISO speed, ISO average gradient and ISO gradients G2 and G4 when exposed to X- and gamma-radiation
OS GSO ISO 7004:2015 Files
English
18 Pages
Current Edition
Reference Language
47.19 OMR
OS GSO ISO 7004:2015 Scope
This International Standard specifies methods for determining sensitometric curve shape, ISO speed, ISO average gradient and ISO gradients G2 and G4 for industrial radiographic systems consisting of film and film processing when exposed directly to X-rays and γ-rays. The measurement of characteristics of film systems used in industrial radiography with fluorescent intensifying screens is not specified in this International Standard.
NOTE Units of measured energy are given for information in annex A.
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