Wastewater treatment plants - Part 12: Control and automation; German version EN 12255-12:2003
€69.91
Water quality - Determination of nitrogen - Determination of bound nitrogen (TN), following oxidation to nitrogen oxides; German version EN 12260:2003
€63.27
Wastewater treatment plants - Part 14: Disinfection; German version EN 12255-14:2003
€77.20
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
Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace (ISO 15586:2003); German version EN ISO 15586:2003
€84.58
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants; German version EN 12255-15:2003
Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorption (ISO 15680:2003); German version EN ISO 15680:2003
€98.32
Wastewater treatment plants - Mineral filter media and plastic media for percolating filters - Requirements, testing, delivery, placing
€56.17
Wastewater treatment plants - Trough with shutoff device - Main dimensions
€34.30
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 six complexing agents - Gas-chromatographic method (ISO 16588:2002); German version EN ISO 16588:2003
Water quality - Determination of soluble silicates by flow analysis (FIA and CFA) and photometric detection (ISO 16264:2002); German version EN ISO 16264:2004
Water quality - Sampling - Part 19: Guidance on sampling of marine sediments (ISO 5667-19:2004); German version EN ISO 5667-19:2004
Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method (ISO 6878:2004); German version EN ISO 6878:2004
Water quality - Calibration and evaluation of analytical methods and estimation of performance characteristics - Part 2: Calibration strategy for non-linear second-order calibration functions (ISO 8466-2:2001)
