Standards ČSN - Czech national standards - Page 7055

Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation

Standard published on 1.8.2012

Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation

WITHDRAWN published on 1.5.2012

Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS)

Standard published on 1.4.2023

Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water quality

Standard published on 1.1.2025

Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples

Standard published on 1.1.2013

Water quality - Determination of microcystins - Method using solid phase extraction (SPE) and high performance liquid chromatography (HPLC) with ultraviolet (UV) detection

Standard published on 1.8.2006

Water quality. Measurement of biochemical parameters. Spectrometric determination of the chlorophyll-a concentration

Standard published on 1.2.1996

Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods

Standard published on 1.4.2001

Water quality - Determination of selected plant treatment agents - Method using high performance liquid chromatography with UV detection after solid-liquid extraction

Standard published on 1.11.1998

Water quality - Determination of parathion, parathion-methyl and some other organophosphorus compounds in water by dichloromethane extraction and gas chromatographic analysis

Standard published on 1.7.2000