German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 29: Spectrometric determination of nitrate with sulfosalicylic acid (D 29); ISO 7890-3:1988, modified
Edition 1994-11

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 29: Spectrometric determination of nitrate with sulfosalicylic acid (D 29); ISO 7890-3:1988, modified; Corrigendum 1
Edition 2019-02

Aerospace series; test methods for aluminium and aluminium alloy products; part 5: determination of cladding thickness and copper diffusion of clad semi-finished products; German version EN 2004-5:1993
Edition 1993-09

Aerospace series - Electrolytic polishing of corrosion resistant steels and heat resisting alloys; German version EN 3769:1997
Edition 1997-05

Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
Edition 2020-12

Fertilizers - Extraction of total sulfur present in various forms; German version EN 15925:2011
Edition 2011-12

Food authenticity - Isotopic analysis of acetic acid and water in vinegar - Part 1: ²H-NMR analysis of acetic acid; German and English version prEN 16466-1:2023
Edition 2023-05

Aerospace series - Chromate conversion coatings (yellow) for aluminium and aluminium alloys; German and English version EN 2437:2001
Edition 2003-06

Vinegar - Isotopic analysis of acetic acid and water - Part 1: ²H-NMR analysis of acetic acid; German version EN 16466-1:2013
Edition 2013-03

Aerospace series - Paints and varnishes - Nature and method for surface preparation of test pieces in aluminium alloys; German and English version EN 3837:2019
Edition 2019-11