EN ISO 13304-1:2022

Radiological protection - Minimum criteria for electron paramagnetic resonance (EPR) spectroscopy for retrospective dosimetry of ionizing radiation - Part 1: General principles (ISO 13304-1:2020)

EN ISO 13304-1:2022

Name:EN ISO 13304-1:2022   Standard name:Radiological protection - Minimum criteria for electron paramagnetic resonance (EPR) spectroscopy for retrospective dosimetry of ionizing radiation - Part 1: General principles (ISO 13304-1:2020)
Standard number:EN ISO 13304-1:2022   language:English language
Release Date:20-Dec-2022   technical committee:CEN/TC 430 - Nuclear energy, nuclear technologies, and radiological protection
Drafting committee:CEN/TC 430 - Nuclear energy, nuclear technologies, and radiological protection   ICS number:13.280 - Radiation protection

SLOVENSKI STANDARD
01-marec-2023
Radiološka zaščita - Minimalna merila za spektroskopijo z elektronsko
paramagnetno resonanco (EPR) za retrospektivno dozimetrijo ionizirnega sevanja
- 1. del: Splošna načela (ISO 13304-1:2020)
Radiological protection - Minimum criteria for electron paramagnetic resonance (EPR)
spectroscopy for retrospective dosimetry of ionizing radiation - Part 1: General principles
(ISO 13304-1:2020)
Strahlenschutz - Mindestanforderungen an die Elektronenspinresonanz (EPR-
Spektroskopie) für die retrospektive Dosimetrie ionisierender Strahlung - Teil 1:
Allgemeine Grundsätze (ISO 13304-1:2020)
Radioprotection - Critères minimaux pour la spectroscopie par résonance
paramagnétique électronique (RPE) pour la dosimétrie rétrospective des rayonnements
ionisants - Partie 1: Principes généraux (ISO 13304-1:2020)
Ta slovenski standard je istoveten z: EN ISO 13304-1:2022
ICS:
13.280 Varstvo pred sevanjem Radiation protection
17.240 Merjenje sevanja Radiation measurements
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 13304-1
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 13.280; 17.240
English Version
Radiological protection - Minimum criteria for electron
paramagnetic resonance (EPR) spectroscopy for
retrospective dosimetry of ionizing radiation - Part 1:
General principles (ISO 13304-1:2020)
Radioprotection - Critères minimaux pour la Strahlenschutz - Mindestanforderungen an die
spectroscopie par résonance paramagnétique Elektronenspinresonanz (EPR-Spektroskopie) für die
électronique (RPE) pour la dosimétrie rétrospective retrospektive Dosimetrie ionisierender Strahlung - Teil
des rayonnements ionisants - Partie 1: Principes 1: Allgemeine Grundsätze (ISO 13304-1:2020)
généraux (ISO 13304-1:2020)
This European Standard was approved by CEN on 18 December 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 13304-1:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 13304-1:2020 has been prepared by Technical Committee ISO/TC 85 "Nuclear energy,
nuclear technologies, and radiological protection” of the International Organization for Standardization
(ISO) and has been taken over as EN ISO 13304-1:2022 by Technical Committee CEN/TC 430 “Nuclear
energy, nuclear technologies, and radiological protection” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2023, and conflicting national standards shall be
withdrawn at the latest by June 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 13304-1:2020 has been approved by CEN as EN ISO 13304-1:2022 without any
modification.
INTERNATIONAL ISO
STANDARD 13304-1
Second edition
2020-07
Radiological protection — Minimum
criteria for electron paramagnetic
resonance (EPR) spectroscopy for
retrospective dosimetry of ionizing
radiation —
Part 1:
General principles
Radioprotection — Critères minimaux pour la spectroscopie par
résonance paramagnétique électronique (RPE) pour la dosimétrie
rétrospective des rayonnements ionisants —
Partie 1: Principes généraux
Reference number
ISO 13304-1:2020(E)
©
ISO 2020
ISO 13304-1:2020(E)
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

ISO 13304-1:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Confidentiality and ethical considerations . 2
5 Laboratory safety requirements . 3
5.1 Magnetic field . 3
5.2 Electromagnetic frequency . 3
5.2.1 in vitro measurement . 3
5.2.2 in vivo measurement . 3
5.3 Biohazards from samples . 3
6 Collection/selection and identification of samples . 3
7 Transportation and storage of samples . 4
8 Preparation of samples. 4
9 Apparatus . 5
9.1 Principles of EPR spectroscopy . 5
9.2 Requirements for EPR spectrometers . 6
9.3 Requirements for the resonator . 6
9.4 Measurements of the background signals . 6
9.5 Spectrometer stability and monitoring/control of environmental conditions . 6
9.6 Baseline drift . 7
10 Measurements of the samples . 7
10.1 General principles . 7
10.2 Choice and optimization of the measurement parameters . 7
10.2.1 General. 7
10.2.2 Microwave-related parameters . 8
10.2.3 Magnetic field parameters . 8
10.2.4 Signal channel parameters . 8
10.3 Sample positioning and loading . 9
10.4 Microwave bridge tuning .10
10.5 Use of standard samples as field markers and amplitude monitors .10
10.6 Monitoring reproducibility .10
10.7 Procedure to measure anisotropic samples .10
10.8 Coding of spectra and samples .11
11 Determination of the absorbed dose in the samples .11
11.1 Determination of the radiation-induced signal intensity .11
11.2 Conversion of the EPR signal into an estimate of absorbed dose .11
11.2.1 Conversion of the EPR signal into an estimate of absorbed dose for in
vitro dosimetry . .11
11.2.2 Conversion of the EPR signal into an estimate of absorbed dose for in vivo
tooth dosimetry .12
12 Measurement uncertainty .12
13 Investigation of dose that has been questioned .
...

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