German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of oxygen consumption rate (S 6)
Edition 1986-04

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of dissolved silver by atomic absorption spectrometry using electrothermal atomization (E 18)
Edition 1990-05

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)
Edition 1986-09

Heat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data; German version EN 1148:1998
Edition 1998-12

Radionuclide laboratories - Part 3: Rules for preventive fire protection
Edition 2019-12

Bitumen and bituminous binders - Determination of efflux time of bituminous emulsions using the Redwood No. II Viscometer; German version EN 16345:2012
Edition 2012-09

Bitumen and bituminous binders - Determination of penetration power of bituminous emulsions; German version EN 12849:2009
Edition 2009-07

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)
Edition 1989-03

Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method (ISO 20483:2013); German version EN ISO 20483:2013
Edition 2014-03

Animal and vegetable fats and oils - Cocoa butter equivalents in cocoa butter and plain chocolate - Part 1: Determination of the presence of cocoa butter equivalents (ISO 23275-1:2006); German version EN ISO 23275-1:2008
Edition 2009-03