Size
Specimen preparation
Non-destructive testing
Iridium
Testing conditions
Accuracy
X-rays
Radioactive sources
Radiographic testing
Lanthanides
Cobalt
Selenium
Radiography
Test specimens
Test equipment
Industrial
Link: BS EN 12679:2018 Non-destructive testing. Radiographic testing. Determination of the size of industrial radiographic gamma sources
Source: BSI Standards
