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
Installations for separation of light liquids; proseparate cleansing agents; testing
Water quality; determination of the inhibitory effect of water constituents on bacteria (Pseudomonas cell multiplication inhibition test) (ISO/DIS 10712:1993); German version prEN 30712:1994
€48.79
Water quality; determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea); acute toxicity test (ISO/DIS 6341:1993); German version prEN 26341:1994
€56.17
Sewage treatment plants; principles for the design of structures and technical equipment; part 6: specific principles for plants for separate aerobic digestion of sludge
Water quality - Determination of certain organochlorine insecticides, polychlorine biphenyls and chlorobenzenes - Gas-chromatographic method after liquid-liquid extraction (ISO/DIS 6468:1994); German version prEN 26468:1994
€84.58
Water quality - Determination of ammonium nitrogen by flow analysis and spectrometric detections (ISO/DIS 11732:1994); German version prEN 31732:1994
€77.20
Water quality - Determination of arsenic - Atomic absorption spectrometric method (Hydride technique) (ISO/DIS 11969:1994); German version prEN 31969:1994
Water quality - Determination of nitrate and nitrite nitrogen and the sum of both by flow analysis (ISO/DIS 13395:1994); German version prEN 33395:1994
Water analysis - Guidelines for the determination of total organic carbon (TOC); German version prEN 1484:1994
Water analysis - Determination of absorbable organically bound halogens (AOX); German version prEN 1485:1994
German standard methods for the examination of water, waste water and sludge - Cations (group E) - Determination of thallium by atomic absorption spectrometry (AAS) using electrothermal atomisation (E 26)
€41.78
German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of biodegradability; static test (L 25)
Sewage treatment plants - Rectangular tanks with suction type sludge scraper - Main dimensions
