Devices to prevent pollution by backflow of potable water. Hose union backflow preventer DN 15 to DN 32 inclusive. Family H, type A
€281.00
Water quality. Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium. Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test)
€201.00
Water quality. Kinetic determination of the inhibitory effects of sediment, other solids and coloured samples on the light emission of Vibrio fischeri (kinetic luminescent bacteria test)
Hydrometric determinations. Pumping tests for water wells. Considerations and guidelines for design, performance and use
€390.00
Water quality. Determination of selected organotin compounds. Gas chromatographic method
€329.00
Validation and interpretation of analytical methods, migration testing data for materials articles in contact with food General considerations
€370.00
Influence of materials on water intended for human consumption. due to migration Test method treatment membranes
Chemicals used for treatment of water intended for human consumption. Anionic and non-ionic polyacrylamides
Chemicals used for treatment of water intended for human consumption. Poly (diallyldimethylammonium chloride)
Chemicals used for treatment of water intended for human consumption. Cationic polyacrylamides
Water quality. Sampling Guidance on sampling of groundwaters
Chemical attack on concrete. Determination of aggressive carbon dioxide content in water
€172.00
Water quality. Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor). Duckweed growth inhibition test
Water quality. Determination of selected alkylphenols. Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detection
Water quality. Physical, chemical and biochemical methods Spectrometric method for the determination of nitrate using sulphosalicylic acid
