Ambient air - Standard method for measurement of NO₃⁻, SO₄²⁻, Cl⁻, NH₄⁺, Na⁺, K⁺, Mg²⁺, Ca²⁺ in PM2,5 as deposited on filters; German version EN 16913:2017
Edition 2017-09

Aerospace series - LOTAR - LOng Term Archiving and Retrieval of digital technical product documentation such as 3D CAD and PDM data - Part 120: CAD 3D explicit geometry with graphic product and manufacturing information; German and English version prEN 9300-120:2022
Edition 2022-08

Aerospace series - LOTAR - LOng Term Archiving and Retrieval of digital technical product documentation such as 3D CAD and PDM data - Part 121: Semantic representation of CAD 3D Explicit Geometry with Product and Manufacturing Information; German and English version prEN 9300-121:2022
Edition 2022-08

Hydrometric determination of density of milk
Edition 2020-09

Measurements of the electrical properties of electronic tubes and valves; methods of measuring hiss and hum
Edition 1973-06

Measurements of the electrical properties of electronic tubes; measurement of equivalent noise resistance
Edition 1973-06

Hardmetals; chemical analysis by flame atomic absorption spectrometry; determination of cobalt, iron, manganese and nickel in contents from 0,01 to 0,5 % (m/m); identical with ISO 7627-3:1983
Edition 1991-07

Hardmetals; chemical analysis by flame atomic absorption spectrometry; determination of molybdenum, titanium and vanadium in contents from 0,01 to 0,5 % (m/m); identical with ISO 7627-4:1983
Edition 1991-07

Hardmetals; chemical analysis by flame atomic absorption spectrometry; determination of chronium in contents from 0,01 to 2 % (m/m); identical with ISO 7627-6:1985
Edition 1991-07

Hardmetals; chemical analysis by flame atomic absorption spectrometry; determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium in contents from 0,5 to 2 % (m/m); identical with ISO 7627-5:1983
Edition 1991-07