German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium and potassium by flame emission spectrometry (E 27) (ISO 9964-3:1993)
€34.30
Water quality; determination of phosphorus; ammonium molybdat spectrometric method; German version prEN 1189:1993
€63.27
Water quality; determination of suspended solids; determination by 0.4 µm to 0.45 µm pore width filters; german version prEN 870:1992
Water quality; determination of suspended solids; determination of coarse particles and fibres seperated on a 60 to 0,70-µm sieve; german version prEN 871:1992
Water quality; evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds; method by analysis of released carbon dioxide (ISO 9439:1990); German version EN 29439:1993
€48.79
Gully tops and manhole tops for vehicular and pedestrian areas; selection to the place of installation and instructions for securing of covers or gratings within the frame.
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determination of the inhibitory effect of water constituents on bacteria (Pseudomonas cell multiplication inhibition test) (L 8)
Sewage treatment plants; plastic media for trickling filters; requirements, tests
Sewage treatment plants; weir and scum baffle; arrangement, main dimensions and overflow rate
Small sewage treatment plants - Operation and maintenance of septic tanks
German standard methods for the examination of water, waste water and sludge; jointly determinable substances (group F); determination of selected monovalent phenols by extraction and gas chromatography (F 10)
German standard methods for the examination of water, waste water and sludge; jointly determinable substances (group F); determination of selected plant protecting agents after solid-liquid extraction and high performance liquid chromatography with UV detection (F 12)
€56.17
Small sewage treatment plants; plants without aeration (septic tanks); application, design and construction
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determination of the inhibitory effect of water constituents on bacteria by Pseudomonas cell multiplication inhibition test (L 8)
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determination of the inhibitory effect of waste water on the light emission of photobacterium phosphoreum (test using preserved luminescent bacteria) (L 34)
