Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009
Edition 2009-06

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate)
Edition 1983-09

Adhesives - Determination of isocyanate content; German version EN 1242:2013
Edition 2013-05

Ethanol as a blending component for petrol - Determination of water content - Karl Fischer coulometric titration method; German version EN 15489:2007
Edition 2007-11

Testing of liquid petroleum hydrocarbons; determination of chlorine content; Wickbold combustion method
Edition 1983-06

Classification of dense shaped refractory products - Part 4: Special products (ISO 10081-4:2014); German version EN ISO 10081-4:2014
Edition 2014-12

Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate; German version EN 15957:2011
Edition 2011-12

Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC); German version EN 15950:2010
Edition 2010-12

Plastics - Unsaturated polyester resins - Determination of hydroxyl value (ISO 2554:1997); German version EN ISO 2554:1998
Edition 1998-10

Haemostaseology - Determination of factor IX coagulant activity (F IX C) - Part 1: Reference measurement procedure for the one-stage method
Edition 2000-03