Water quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestion (ISO 15587-1:2002); German version EN ISO 15587-1:2002
€84.58
Water quality - Digestion for the determination of elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002); German version EN ISO 15587-2:2002
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B, type A; German version EN 12729:2002
€98.32
Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002
€69.91
Water quality - Sampling of fish with electricity; German version EN 14011:2003
€77.20
Wastewater treatment plants - Rectangular tanks - Part 1: Settlement tanks with sludge scraper, suction type sludge remover and chain scraper; Types, main dimensions, equipments
€63.27
Wastewater treatment plants - Rectangular tanks - Part 3: Grit chambers with suction type sludge remover and sludge scraper; Types, main dimensions, equipment
€48.79
Wastewater treatment plants - Circular tanks - Settlement tanks with sludge scraper, suction type sludge remover and thickener; Types, main dimensions, equipment
€56.17
Wastewater treatment plants - Trickling filter with rotary distributor - Main dimensions and equipment
€41.78
Wastewater treatment plants - Outlet installations, weir and scum baffle, submerged effluent pipes in tanks - Construction principles, main dimensions, layout
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 3: Specific principles for the equipment for aerobical biological wastewater treatment
€91.03
Water quality - Determination of epichlorohydrin; German version EN 14207:2003
Water quality. Determination of the chemical oxygen demand index (ST-COD). Small-scale sealed-tube method
€281.00
Water quality. Detection and enumeration of intestinal enterococci in surface waste water Miniaturized method (Most probable number) for
Water quality. Detection and enumeration of Escherichia Coli coliform bacteria in surface waste water Miniaturized method (most probable number) for the detection E. coli