Product Product ISO 23655-1:2022
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Description Description

This document specifies the determination of nickel-59 and nickel-63 (59Ni and 63Ni) activity concentration in samples of all types of water using liquid scintillation counting (LSC). Using currently available liquid scintillation counters, this test method can measure 59Ni activity concentrations of 50 mBq·l−1 and 63Ni activity concentrations of 20 mBq·l−1 with a counting time of 200 min and a sample volume of 1,5 l.

NOTE      These performance indicators are wholly dependent on the measurement regimes in individual laboratories; in particular, the detection limits for 59Ni are entirely dependent on the levels of 63Ni that can be present.

The range of application depends on the amount of dissolved material in the water and on the performance characteristics of the measurement equipment (background count rate and detection efficiency).

It is the laboratory’s responsibility to ensure the suitability of this test method for the water samples tested.

Standard Number Standard Number ISO 23655-1:2022
Title Title ISO 23655-1:2022 Water quality — Nickel-59 and nickel-63 — Part 1: Test method using liquid scintillation counting
Status Status Published
Publication Date Publication Date 02 Sep 2022
Cross References Cross References
Descriptors Descriptors
ICS ICS 17.240
Committee Committee ISO/TC 147/SC 3 Radioactivity measurements
Publisher Publisher PECB Store
Format Format PDF
Delivery Delivery NO
Pages Pages 21
File Size File Size KB