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1 Scope This document specifies a method for the determination of ammonium nitrogen (NH 4 -N) in drinking water, groundwater, surface water, wastewater, bathing water and mineral water using the smal…
Overview SIST EN ISO 23695:2026 specifies a standardized method for the determination of ammonium nitrogen (NH₄-N) in various types of water using the small-scale sealed tube method. This internation…
Overview EN ISO 23695:2025 - Water quality: Determination of ammonium nitrogen in water - Small‑scale sealed tube method (ISO 23695:2023) specifies a rapid photometric method for measuring ammonium n…
Overview ISO 23695:2023 - Water quality - Determination of ammonium nitrogen in water - Small‑scale sealed tube method defines a routine analytical procedure for measuring ammonium nitrogen (NH4‑N) i…