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ČSN is a protected designation of Czech national technical standards.
Water quality. Determination of ammonium. Potenciometric method
Standard published on 1.6.1994
Selected format:Water quality. Determination of ammonium. Part 1: Manual spectrometric method
Standard published on 1.6.1994
Selected format:Jakost vod - Stanovení amonných iontů - Část 1: Manuální spektrometrická metoda.
Change published on 1.5.2007
Selected format:Water quality. Determination of ammonium. Part 2: Automated spetrometric method
WITHDRAWN published on 1.6.1994
Selected format:Water quality. Determiation of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
Standard published on 1.9.1995
Selected format:Water quality. Determination of nitrate. Part 3: Spectrometric method using sulfosalicylic acid
Standard published on 1.1.1995
Selected format:Water quality. Determination of nitrate. Part 1: 2,6-Dimethylphenol spectrometric method
WITHDRAWN published on 1.1.1995
Selected format:Water quality. Determination of nitrate. Part 2: 4-Fluorophenol spectrometric method after distillation
WITHDRAWN published on 1.1.1995
Selected format:Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
Standard published on 1.9.2005
Selected format:Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
WITHDRAWN published on 1.11.1998
Selected format:Latest update: 2026-06-30 (Number of items: 2 285 193)
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