Standards ČSN - Czech national standards - Page 7089

Water quality. Determination of nitrogen. Catalytic digestion after reduction with Devarda´s alloy

WITHDRAWN published on 1.2.1996

Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate

Standard published on 1.10.1999

Water quality. Determination of phenol index. 4-aminoantipyrine spectrometric methods after distillation

Standard published on 1.2.1995

Water quality. Determination of selected monovalent phenols. Part 1: Gas-chromatographic method after enrichment by extraction

Standard published on 1.2.1996

Water quality. Determination of extractable organic halogens (EOX)

WITHDRAWN published on 29.3.1991

Kvalita vod - Stanovení adsorbovatelných organicky vázaných halogenů (AOX) v odpadních vodách s vyšší koncentrací chloridů.

Standard published on 1.11.2012

Water quality - Determination of adsorbable organically bound halogens (AOX)

Standard published on 1.5.2005

Jakost vod - Stanovení adsorbovatelných organicky vázaných halogenů (AOX).

Change published on 1.4.2008

Water quality - Determination of adsorbable organically bound halogens (AOX)

WITHDRAWN published on 1.7.1998

Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement

Standard published on 1.8.2026