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DIN EN 25663
Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
Edition
1993-11
DIN EN ISO 6878
Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method (ISO 6878:2004); German version EN ISO 6878:2004
Edition
2004-09
DIN 86292
Ships and marine technolgy - Waste water treatment plants - Methods of sampling
Edition
2014-12
DIN EN 13342
Characterization of sludges - Determination of Kjeldahl nitrogen; German version EN 13342:2000
Edition
2001-01
DIN 38412-26
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); surfactant biodegradation and elimination test for simulation of municipal waste water treatment plants (L 26)
Edition
1994-05
DIN 19746
Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
Edition
2005-06
DIN EN ISO 9509
Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006); German version EN ISO 9509:2006
Edition
2006-10
DIN 51723
Testing of solid fuels - Determination of fluorine content
Edition
2002-06
DIN 19650
Irrigation - Hygienic concerns of irrigation water
Edition
1999-02
DIN EN 13349
Copper and copper alloys - Pre-insulated copper tubes with solid covering; German version EN 13349:2002
Edition
2002-11