ISO 13165-2:2022

Name: ISO 13165-2:2022 — Water quality — Radium-226 — Part 2: Test method using emanometry
SKU: ISO 13165-2:2022
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Water quality — Radium-226 — Part 2: Test method using emanometry

Название (английский):

ISO 13165-2:2022

Water quality — Radium-226 — Part 2: Test method using emanometry

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 16
Дата публикации:: 19 сентября 2022 г.
Издание:: ISO IS 13165 edition 2 version 1
ICS:: 13.060.60

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Описание (английский):

This document specifies a test method to determine radium-226 (226Ra) activity concentration in all types of water by emanometry. The test method specified is suitable for the determination of the soluble, suspended and total 226Ra activity concentration in all types of water with soluble 226Ra activity concentrations greater than 0,02 Bq l−1. The decay chains of 238U and 232Th are given in Annex A. Figure A.1 shows the 238U and its decay chain.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 13165-2:2022 - Water quality - Radium-226 - Part 2: Test method using emanometry specifies a standardized analytical procedure to determine the activity concentration of radium-226 (226Ra) in all types of water using emanometry. The method covers determination of soluble, suspended and total 226Ra for samples with soluble activity concentrations greater than 0.02 Bq·L−1. The document includes requirements for sampling, sample preparation, measurement, quality assurance and expression of results, and provides informative annexes (decay chains, bubbler design, and a coated glass scintillation cell).

Key topics and technical requirements

Scope and applicability

Measurement of 226Ra in drinking water, surface water, groundwater, seawater, wastewaters and effluents, where soluble 226Ra > 0.02 Bq·L−1.

Measurement principle

Emanometry-based technique specified in the standard (principle and procedural elements are described in Clause 4 and procedural Clauses 5–7).

Sampling and sample handling

Sampling and storage requirements align with ISO 5667 series guidance to preserve sample integrity before analysis.

Procedures and instrumentation

Sample preparation, defined measurement conditions and counting procedures are specified (Clauses 7.1–7.3).
Informative annexes cover practical apparatus such as a bubbler (Annex B) and a silver-activated zinc sulfide coated glass scintillation cell (Annex C).

Quality assurance and quality control

Comprehensive QA/QC programme requirements including influence parameters, instrument verification and calibration, method verification and analyst competence (Clause 8). Laboratories are expected to follow ISO/IEC 17025 for competence.

Uncertainty and detection limits

Expression of results covers activity concentration reporting, standard uncertainty, decision threshold, detection limit and coverage intervals in accordance with ISO 11929-series principles (Clause 9).

Supporting information

Annex A provides decay chains for uranium and thorium relevant to radium behaviour.

Practical applications and users

Environmental and water-quality laboratories performing routine radium monitoring.

Drinking-water utilities and public health agencies verifying compliance with guidance limits.

Industrial facilities (mining, mineral processing, phosphate industry) monitoring effluents.

Regulatory bodies, environmental consultancies and emergency response teams assessing radiological impacts.

Accredited testing laboratories seeking conformity with ISO/IEC 17025 for radionuclide analysis.

Related standards (for implementation)

ISO 5667 series - Sampling, preservation and handling of water samples

ISO 11929 - Determination of decision threshold, detection limit and coverage intervals for ionizing radiation measurements

ISO/IEC 17025 - Competence of testing and calibration laboratories

ISO 80000-10 - Quantities and units relevant to atomic and nuclear physics

Keywords: ISO 13165-2:2022, radium-226, emanometry, water quality, radium measurement, detection limit 0.02 Bq·L−1, ISO 5667, ISO 11929, ISO/IEC 17025, QA/QC.

ISO 13165-2:2022

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards (for implementation)

Технические детали

BS ISO 5667-26:2022

Water quality. Sampling - Guidance on sampling for the parameters of the oceanic carbon dioxide system

DD CEN/TS 15675:2007

Air quality. Measurement of stationary source emissions. Application of EN ISO/IEC 17025:2005 to periodic mea…

BS EN ISO 11929-1:2025-TC

Tracked Changes. Determination of the characteristic limits (decision threshold, detection limit and limits o…

ISO 80000-10:2019/AMD1:2025

Amendment 1 - Quantities and units - Part 10: Atomic and nuclear physics