Sampling; statistical principles of sampling with cross classification according to two hierarchical criteria
Edition 1984-06

Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
Edition 1993-11

German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 19: Determination of the steam-volatile organic acids (S 19)
Edition 1999-12

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

Method for the derivation of minimum values of proof strength of steel at elevated temperatures; German version EN 10314:2016
Edition 2016-10

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)
Edition 1991-03

Polymer modified bituminous thick coatings for waterproofing - Determination of crack bridging ability; German version EN 15812:2011
Edition 2011-06

Rubber and plastics hoses and hose assemblies - Determination of electrical resistance and conductivity (ISO 8031:2020); German version EN ISO 8031:2020
Edition 2020-11

Glass packaging - 26 H 126 crown finish - Dimensions (ISO 12822:2020); German version EN ISO 12822:2020
Edition 2020-08

Vitreous and porcelain enamels - Low-voltage test for detecting and locating defects - Part 1: Swab test for non-profiled surfaces (ISO 8289-1:2020); German version EN ISO 8289-1:2020
Edition 2020-06