Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 20565-2:2008); German version EN ISO 20565-2:2008
Edition 2009-06

Chemical analysis of refractory material glass and glazes - Determination of Fe²⁺ and Fe³⁺ by the spectral photometric method with 1,10-phenanthroline (ISO 14719:2011); German version EN ISO 14719:2011
Edition 2012-03

Testing of pulp; determination of the alkali solubility of pulp
Edition 1977-11

Chemicals used for treatment of water intended for human consumption - Copper sulfate; German version EN 12386:2012
Edition 2013-01

Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method; German version EN 15492:2012
Edition 2012-04

Influence of organic materials on water intended for human consumption - Determination of odour and flavour assessment of water in piping systems; German version EN 1420:2016
Edition 2016-05

Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:2020); German version EN ISO 660:2020
Edition 2020-12

Surface active agents - Evaluation of certain effects of laundering - Methods of preparation and use of unsoiled cotton control cloth (ISO 2267:1986)
Edition 2016-12

Chemicals used for treatment of water intended for human consumption - Potassium permanganate; German version EN 12672:2016
Edition 2016-09

Non-fatty foods - Determination of dithiocarbamate and thiuram disulfide residues - Part 1: Spectrometric method; German version EN 12396-1:1998
Edition 1998-12