Wastewater treatment plants - Part 6: Activated sludge process; German and English version prEN 12255-6:2021
€150.65
Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021
€91.03
Wastewater treatment plants - Part 10: Safety principles; German and English version prEN 12255-10:2021
€98.32
Codes of practice for drinking water installations - Part 600: Drinking water installations in connection with fire fighting and fire protection installations.
€105.42
Measurement of flow of waste water in open channels and gravity conduits; general information
€56.17
Measurement of flow of waste water in open channels and gravity conduits; venturi flumes
€77.20
Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow; German version EN 1717:2000; Technical rule of the DVGW
€134.02
Water quality - Sampling - Part 16: Guidance on biotesting of samples (ISO 5667-16:2017); German version EN ISO 5667-16:2017
€116.64
Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017); German version EN ISO 19340:2017
Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017); German version EN ISO 7393-2:2018
Water quality - General requirements and performance test procedures for water monitoring equipment - Measuring devices; German version EN 17075:2018
€167.66
Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2018); German version EN ISO 15681-2:2018
Water quality - Guidance on determining the degree of modification of the hydromorphological features of transitional and coastal waters; German version EN 17123:2018
€128.22
Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2018); German version EN ISO 5667-3:2018
€162.06
Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634:2018); German version EN ISO 10634:2018
