Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colourants (ISO/DIS 17234-1:2023); German and English version prEN ISO 17234-1:2023
Edition 2023-10

Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013); German and English version prEN ISO 15923-1:2024
Edition 2024-05

Lathe chucks, hand-operated - Centric clamp - Part 2: Mounting recess with 1:4 taper
Edition 2010-05

Acoustics - Laboratory measurement of sound insulation of building elements - Part 1: Application rules for specific products (ISO 10140-1:2021); German version EN ISO 10140-1:2021
Edition 2021-09

Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO 11348-3:2007 + Amd 1:2018); German version EN ISO 11348-3:2008 + A1:2018
Edition 2023-12

Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)
Edition 2014-07

Personal protective equipment - Safety footwear (ISO 20345:2021 + Amd 1:2024); German version EN ISO 20345:2022 + A1:2024
Edition 2024-06

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 52: Photometric determination of dissolved chromium(VI) in water (D 52)
Edition 2020-11

Aerospace series - Steel X5CrNiCu17-4 (1.4542) - Air melted - Softened - Forging stocks - a or D ≤ 300 mm; English version prEN 3163:2024
Edition 2024-08

Aerospace series - Steel 33CrMoV12 (1.8522) - Air melted - Softened - Forging stocks - a or D ≤ 300 mm; English version prEN 3527:2024
Edition 2024-08