13.060.50 Examination of water for chemical substances
Displaying 349-360 of 368 results.
ISO 23697-2:2023
standard
EN
Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
70.97 €
LVS EN ISO 23697-1:2026
standard
EN
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023)
13.97 €
LVS EN ISO 23697-2:2026
standard
EN
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)
13.97 €
ISO 23913:2006
standard
EN
Water quality Determination of chromium(VI) Method using flow analysis (FIA and CFA) and spectrometric detection
70.97 €
LVS EN ISO 23913:2009
standard
EN
Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection (ISO 23913:2006)
14.87 €
ISO 24293:2009
standard
EN
Water quality Determination of individual isomers of nonylphenol Method using solid phase extraction (SPE) and gas chromatography/mass spectrometry (GC/MS)
142.99 €
ISO 24384:2024
standard
EN
Water quality — Determination of chromium(VI) and chromium(III) in water — Method using liquid chromatography with inductively coupled plasma mass spectrometry (LC-ICP-MS) after chelating pretreatment
142.99 €
ISO 25101:2009
standard
EN
Water quality Determination of perfluorooctanesulfonate (PFOS) and perfluorooctanoate (PFOA) Method for unfiltered samples using solid phase extraction and liquid chromatography/mass spectrometry
142.99 €
LVS EN 25663:2000
standard
EN
Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
8.81 €
LVS EN 25667-1:1993
standard
DE
Water quality - Sampling - Part 1: Guidance on the design of sampling programmes
10.02 €
LVS EN 25667-1:2000
standard
EN, LV
Water quality - Sampling - Part 1: Guidance on the design of sampling programmes
29.16 €
LVS EN 25667-2:2000
standard
EN, LV
Water quality - Sampling - Part 2: Guidance on sampling techniques
22.32 €