Metallic and other inorganic coatings - Electropolishing as a means of smoothing and passivating stainless steel (ISO 15730:2023); German version EN ISO 15730:2023
Edition 2023-09

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

Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017); German version EN ISO 20227:2017
Edition 2017-10

Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2008); German version EN ISO 21068-3:2008
Edition 2008-12

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 33: Determination of manganese by atomic absorption spectrometry (E 33)
Edition 2000-06

Paper and board - Determination of the cytotoxicity of aqueous extracts using a metabolically competent hepatoma cell line (HepG2); German version EN 16418:2014
Edition 2014-07

Water-tube boilers and auxiliary installations - Part 12: Requirements for boiler feedwater and boiler water quality; German version EN 12952-12:2003
Edition 2003-12

Petroleum and related products - Determination of pH of fire-resistant fluids within categories HFAE, HFAS and HFC (ISO 20843:2011); German version EN ISO 20843:2011
Edition 2011-04

Petroleum products - Determination of lead content of gasoline - Iodine monochlorid method (ISO 3830:1993); German version EN ISO 3830:1995
Edition 1995-09

Resilient floor coverings - Specification for plain and decorative linoleum on a corkment backing; German version EN 687:2019
Edition 2019-08