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ČSN is a protected designation of Czech national technical standards.
Jakost vod - Stanovení aniontových tenzidů methylenovou modří (MBAS) - Metoda kontinuální průtokové analýzy (CFA).
Change published on 1.4.2012
Selected format:Water quality. Determination of anionic sufracants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified)
Standard published on 1.6.1996
Selected format:Water quality. Part 2: Determination of non-ionic surfactants using Dragendorff reagent
Standard published on 1.2.1996
Selected format:Water quality - Determination of humic substances
Standard published on 1.3.2011
Selected format:Water quality - Analysis of microplastic in water - Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water
Standard published on 1.4.2026
Selected format:Water quality - Determination of epichlorohydrin
Standard published on 1.10.2003
Selected format:Water quality - Gas chromatographic determination of some selected chlorophenols in water
Standard published on 1.1.2000
Selected format:Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection
Standard published on 1.10.2003
Selected format:Water quality - Multi-compound class methods - Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry
Standard published on 1.4.2020
Selected format:Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method
Standard published on 1.4.2020
Selected format:Latest update: 2026-06-30 (Number of items: 2 285 193)
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