Health and safety in welding and allied processes - Sampling of airborne particles and gases in the operator's breathing zone - Part 2: Sampling of gases (ISO 10882-2:2000); German version EN ISO 10882-2:2000
Edition 2001-04

Plastics - Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at a constant value (ISO 483:2005); German version EN ISO 483:2005
Edition 2006-02

Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Titrimetric method (ISO 3188:1978); German version EN ISO 3188:1994
Edition 1994-10

Starches and derived products - Determination of nitrogen content by the Kjeldahl method - Spectrophotometric method (ISO 5378:1978); German version EN ISO 5378:1994
Edition 1994-10

Natural stone test methods - Petrographic examination; German version EN 12407:2019
Edition 2019-12

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 62: Plausibility check of analytical data by performing an ion balance (A 62)
Edition 2014-12

Chemicals used for treatment of water intended for human consumption - Hydrochloric acid; German version EN 939:2016
Edition 2016-09

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

Chemicals used for treatment of water intended for human consumption - Ammonium sulfate; German version EN 12123:2022
Edition 2022-10

Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017); German version EN ISO 19340:2017
Edition 2019-01