Search
×
FR

Placeholder headline

This is just a placeholder headline

ISO/TR 42505:2026 Sharing economy — Shared manufacturing — Concepts and models

$

192

BUY NOW

Placeholder headline

This is just a placeholder headline

ISO 4306-1:2026 Cranes — Vocabulary — Part 1: General

$

436

BUY NOW

Placeholder headline

This is just a placeholder headline

ISO 21316:2026 Traditional Chinese medicine — Isatis indigotica root

$

192

BUY NOW

Placeholder headline

This is just a placeholder headline

TEMA 11th Edition – Book of Standards (Not for Resale)

$

0

BUY NOW

ISO 13164:2023

ISO 13164:2023 Water quality – Radon-222 – Part 4: Test method using two-phase liquid scintillation counting

CDN $195.00

SKU: 5bec9a9fc91d Categories: , ,

Description

This document describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting.

The 222Rn activity concentrations, which can be measured by this test method utilizing currently available instruments, are above 0,5 Bq·l−1 which is the typical detection limit for a 10 ml test sample and a measuring time of 1 h.

It is the responsibility of the laboratory to ensure the validity of this test method for water samples of untested matrices.

Annex A gives indication on the necessary counting conditions to meet the required detection limits for drinking water monitoring.

Edition

2

Published Date

2023-07-20

Status

PUBLISHED

Pages

16

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document describes a test method for the determination of radon-222 (222Rn) activity concentration in non-saline waters by extraction and liquid scintillation counting.

The 222Rn activity concentrations, which can be measured by this test method utilizing currently available instruments, are above 0,5 Bq·l−1 which is the typical detection limit for a 10 ml test sample and a measuring time of 1 h.

It is the responsibility of the laboratory to ensure the validity of this test method for water samples of untested matrices.

Annex A gives indication on the necessary counting conditions to meet the required detection limits for drinking water monitoring.

Previous Editions

Can’t find what you are looking for?

Please contact us at: