Leather - Chemical tests - Determination of water-soluble matter, water-soluble inorganic matter and water-soluble organic matter (ISO 4098:2018); German version EN ISO 4098:2018
Edition 2018-10

Biological evaluation of medical devices - Part 14: Identification and quantification of degradation products from ceramics (ISO 10993-14:2001); German version EN ISO 10993-14:2009
Edition 2009-08

Chemical analysis of ferrous materials - Determination of manganese in steels and irons - Electrometric titration method; German version EN 10071:2012
Edition 2013-01

Characterization of sludges - Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride; German version EN 14671:2006
Edition 2006-09

Treatment of spent filter backwash water from systems for treatment of water of swimming-pools and baths
Edition 2016-07

Leather - Chemical tests - Determination of tan content in synthetic tanning agents (ISO 17489:2013); German version EN ISO 17489:2013
Edition 2014-03

Extracorporeal systems for blood purification - Part 1: Haemodialysers, haemodiafilters, haemofilters and haemoconcentrators (ISO 8637-1:2017); German version EN ISO 8637-1:2020
Edition 2020-10

Animal and vegetable fats and oils - Preparation of test sample (ISO 661:2003); German version EN ISO 661:2005
Edition 2005-11

Fertilizers and liming materials - Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution; German version EN 16317:2013+A1:2017
Edition 2017-05

Fertilizers - Extraction of phosphorus soluble in 2 % formic acid; German version EN 15919:2011
Edition 2011-08