Standard Swedish standard · SS-ISO 6980-2:2023

Nuclear energy — Reference beta-particle radiation — Part 2: Calibration fundamentals related to basic quantities characterizing the radiation field (ISO 6980-2:2023, IDT) (Corrected version 2024-03)

Status: Valid

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Standard Swedish standard · SS-ISO 6980-2:2023

Nuclear energy — Reference beta-particle radiation — Part 2: Calibration fundamentals related to basic quantities characterizing the radiation field (ISO 6980-2:2023, IDT) (Corrected version 2024-03)
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Scope
This document specifies methods for the measurement of the absorbed-dose rate in a tissue-equivalent slab phantom in the ISO 6980 reference beta-particle radiation fields. The energy range of the beta-particle-emitting isotopes covered by these reference radiations is 0,22 MeV to 3,6 MeV maximum beta energy corresponding to 0,07 MeV to 1,2 MeV mean beta energy. Radiation energies outside this range are beyond the scope of this document. While measurements in a reference geometry (depth of 0,07 mm or 3 mm at perpendicular incidence in a tissue‑equivalent slab phantom) with an extrapolation chamber used as primary standard are dealt with in detail, the use of other measurement systems and measurements in other geometries are also described, although in less detail. However, as noted in ICRU 56, the ambient dose equivalent, H*(10), used for area monitoring, and the personal dose equivalent, Hp(10), as used for individual monitoring, of strongly penetrating radiation, are not appropriate quantities for any beta radiation, even that which penetrates 10 mm of tissue (Emax > 2 MeV).


This document is intended for those organizations wishing to establish primary dosimetry capabilities for beta particles and serves as a guide to the performance of dosimetry with an extrapolation chamber used as primary standard for beta‑particle dosimetry in other fields. Guidance is also provided on the statement of measurement uncertainties.

Subjects

Radiation measurements (17.240)


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Standard Swedish standard · SS-ISO 6980-2:2023

Nuclear energy — Reference beta-particle radiation — Part 2: Calibration fundamentals related to basic quantities characterizing the radiation field (ISO 6980-2:2023, IDT) (Corrected version 2024-03)
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Price: 1 416 SEK
standard ikon pdf

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standard ikon

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-80047631

Edition: 3

Approved: 12/7/2023

No of pages: 52

Replaces: SS-ISO 6980-2:2022