Square washers for use in timber constructions
Edition 1990-05

Oscillation-type density meters - Part 1: Laboratory instruments (ISO 15212-1:1998); German version EN ISO 15212-1:1999, Corrigendum to DIN EN ISO 15212-1:1999-06; German version EN ISO 15212-1:1999/AC:2009
Edition 2009-07

Water quality - Detection of human enteroviruses by monolayer plaque assay; German version EN 14486:2005
Edition 2005-08

German standard methods for the examination of water, waste water and sludge - Physical and physical-chemical parameters (group C) - Part 3: Determination of absorption in the range of the ultraviolet radiation, Spectral absorptions coefficient (C 3)
Edition 2005-07

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 33: Determination of iodide by spectrometry (D 33)
Edition 2001-02

Geometrical Product Specifications (GPS) - Straight edges - Part 2: Knife edge straight edges; Dimensions, technical delivery conditions
Edition 2003-11

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; cations (group E); determination of manganese (E 2)
Edition 1983-05

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of potassium by atomic absorption spectrometry (AAS) using an air-acetylene flame (E 13)
Edition 1992-07

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