90.93 Standard confirmed Dec 9, 2025
ISO
ISO/TC 147/SC 3 Radioactivity measurements
International Standard
13.060.60 Examination of physical properties of water | 13.280 Radiation protection
Published
This document specifies the conditions for the determination of uranium isotope activity concentration in samples of environmental water (including sea waters) using alpha-spectrometry and 232U as a yield tracer.
A chemical separation is required to separate and purify uranium from a test portion of the sample.
WITHDRAWN
ISO 13166:2014
PUBLISHED
ISO 13166:2020
90.93
Standard confirmed
Dec 9, 2025
IN_DEVELOPMENT
ISO/PWI 13166