Corrosion of metals and alloys - Corrosion and fouling in industrial cooling water systems - Part 1: Guidelines for conducting pilot-scale evaluation of corrosion and fouling control additives for open recirculating cooling water systems (ISO 16784-1:2006); German version EN ISO 16784-1:2008
Edition 2008-07

Methods of testing cement - Part 5: Pozzolanicity test for pozzolanic cement; German version EN 196-5:2011
Edition 2011-06

Information and documentation - Papers and boards used for conservation - Measurement of impact of volatiles on cellulose in paper (ISO 23404:2020)
Edition 2022-02

Chemicals used for treatment of swimming pool water - Sodium hydroxide; German version EN 15076:2013
Edition 2013-08

Chemicals used for treatment of swimming pool water - Carbon dioxide; German version EN 15513:2014
Edition 2014-06

Chemicals used for treatment of swimming pool water - Hydrochloric acid; German version EN 15514:2014
Edition 2014-08

Chemicals used for treatment of swimming pool water - Sodium hydrogen carbonate; German version EN 15075:2013
Edition 2013-07

Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021
Edition 2021-07

General methods of test for pigments and extenders - Part 7: Determination of residue on sieve - Water method - Manual procedure (ISO 787-7:2009); German version EN ISO 787-7:2009
Edition 2010-02

Geotechnical investigations for civil engineering purposes - Supplementary rules to DIN EN 1997-2
Edition 2010-12