UNE-EN ISO 22125-1:2019 Water quality - Technetium-99 - Part 1: Test method using liquid scintillation counting (ISO 22125-1:2019) (Endorsed by Asociación Española de Normalización in January of 2020.)
2020UNE-EN ISO 22125-1:2019 Water quality - Technetium-99 - Part 1: Test method using liquid scintillation counting (ISO 22125-1:2019) (Endorsed by Asociación Española de Normalización in January of 2020.)