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BS EN ISO 9978:2022 2023

BS EN ISO 9978:2022 2023

$102.76

Radiation protection. Sealed sources. Leakage test methods

Published By Publication Date Number of Pages
BSI 2023 22
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PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Requirements
13 5 Test methods by radioactive means
5.1 Immersion tests
5.1.1 Immersion test (hot liquid)
5.1.2 Immersion test (boiling liquid)
14 5.1.3 Immersion test with a liquid scintillator
5.1.4 Immersion test at room temperature
5.1.5 Acceptance criteria
5.2 Gaseous emanation tests
5.2.1 Gaseous emanation test by absorption (for radium-226 sealed sources)
5.2.2 Gaseous emanation test by immersion with a liquid scintillator (for radium-226 sealed sources)
5.2.3 Gaseous emanation test (for krypton-85 sealed sources)
15 5.2.4 Other gaseous emanation tests
5.2.5 Acceptance criteria
5.3 Wipe tests
5.3.1 Wet wipe test
5.3.2 Dry wipe test
5.3.3 Acceptance criteria
6 Test methods by volumetric means
16 6.1 Helium mass spectrometer leakage tests
6.1.1 Helium test [equivalent to leak test type B6 in ISO 20485]
6.1.2 Helium pressurisation test [equivalent to leak test type B5 in ISO 20485]
6.1.3 Acceptance criteria
17 6.2 Bubble leakage tests
6.2.1 Vacuum bubble test [equivalent to immersion technique using vacuum in EN 1593[6]
6.2.2 Hot-liquid bubble test [equivalent to immersion technique using liquid at elevated temperature in EN 1593[6]
6.2.3 Gas pressurisation bubble test [equivalent to immersion technique using pressurisation of the object in EN 1593[6]
18 6.2.4 Liquid nitrogen bubble test
6.2.5 Acceptance criteria
6.3 Water pressurisation test
19 Annex A (informative) Guidance for the choice of the tests to be carried out according to purpose and sealed source type
21 Bibliography

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BS EN ISO 9978:2022 2023
$102.76