Water quality - Determination of the standardized global biological index - Qualité de l'eau
€32.83
Wastewater treatment plants - Trough with shutoff device - Main dimensions
€34.30
Shell boilers - Part 10 : requirements for feedwater and boiler water quality
€52.13
Wastewater treatment plants - Part 14: Disinfection; German version EN 12255-14:2003
€77.20
Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction (ISO 17993:2002); German version EN ISO 17993:2003
Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
€269.00
Chemicals used for treatment of water intended for human consumption. Phosphoric acid
Water quality — Adsorption of substances on activated sludge — Batch test using specific analytical methods
€77.00
Devices to prevent pollution by backflow of potable water - Air gap with submerged feed incorporating air inlet plus overflow - Family A, type C; German version EN 13078:2003
€63.27
Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace (ISO 15586:2003); German version EN ISO 15586:2003
€84.58
Water quality - Determination of six complexing agents - Gas-chromatographic method (ISO 16588:2002); German version EN ISO 16588:2003
€69.91
Water quality. Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
Water quality. Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption
€316.00
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
€89.00
Chemicals used for treatment of water intended for human consumption. Sodium silicate
