Stud ends and ports of fittings, valves and plug screws - Part 21: Dimensions for pipe thread according to DIN EN ISO 228-1 and O-ring sealing
Edition 2016-09

Sound carrier with speech for recognition tests - Part 1: Sound carrier with wordlists in accordance with DIN 45621-1 (Recording 1969)
Edition 1995-08

Criteria for the use of windows and external doors in accordance with DIN EN 14351-1
Edition 2020-09

Soil quality - Determination of selected phthalates in sludge, sediment, solid waste and soil after extraction and determination using gas chromatography mass spectrometry (GC-MS)
Edition 2014-08

Measurement of quartz crystal unit parameters by zero phase technique in a π-network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a π-network (IEC 60444-1:1986 + A1:1999); German version EN 60444-1:1997 + A1:1999
Edition 2000-09

Haemostaseology - Determination of fibrinogen concentration - Part 1: Reference measurement procedure for the determination of clottable fibrinogen as described by Clauss
Edition 2000-03

Metallic materials - Leeb hardness test - Part 3: Calibration of reference test blocks (ISO 16859-3:2015); German version EN ISO 16859-3:2015
Edition 2016-02

Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks (ISO 6506-3:2014); German version EN ISO 6506-3:2014
Edition 2015-02

Starch hydrolysis products - Determination of reducing power and dextrose equivalent - Lane and Eynon constant titre method (ISO 5377:1981); German version EN ISO 5377:1994
Edition 1994-10

Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
Edition 1998-08