Publications of CEN/TC 230

DIN EN ISO 22125-2 2026-08 Draft standard Water quality - Technetium-99 - Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS) (ISO/DIS 22125-2:2026); German and English version prEN ISO 22125-2:2026 More  Read draft and comment
DIN EN ISO 22478 2006-07 Standards Water quality - Determination of certain explosives and related compounds - Method using high-performance liquid chromatography (HPLC) with UV detection (ISO 22478:2006); German version EN ISO 22478:2006 More  Order from DIN Media
DIN EN ISO 22515 2023-07 Standards Water quality - Iron-55 - Test method using liquid scintillation counting (ISO 22515:2021); German version EN ISO 22515:2021 More  Order from DIN Media
DIN EN ISO 22908 2022-11 Standards Water quality - Radium 226 and Radium 228 - Test method using liquid scintillation counting (ISO 22908:2020); German version EN ISO 22908:2020 More  Order from DIN Media
DIN EN ISO 23196 2023-11 Standards Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022); German version EN ISO 23196:2023 More  Order from DIN Media
DIN EN ISO 23695 2026-06 Standards Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023); German version EN ISO 23695:2025 More  Order from DIN Media
DIN EN ISO 23696-1 2026-06 Standards Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023); German version EN ISO 23696-1:2025 More  Order from DIN Media
DIN EN ISO 23696-2 2026-06 Standards Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023); German version EN ISO 23696-2:2025 More  Order from DIN Media
DIN EN ISO 23697-1 2026-06 Standards Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023); German version EN ISO 23697-1:2025 More  Order from DIN Media
DIN EN ISO 23697-2 2026-06 Standards Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023); German version EN ISO 23697-2:2025 More  Order from DIN Media

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