Anti-pollution check valves - DN 6 to DN 250 inclusive - Family E, type A, B, C and D; German version EN 13959:2004
Edition 2005-01

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

Soil quality - Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc in aqua regia extracts of soil - Flame and electrothermal atomic absorption spectrometric methods (ISO 11047:1998)
Edition 2003-05

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 6: Determination of lead by atomic absorption spectrometry (AAS) (E 6)
Edition 1998-07

Air quality - Stationary source emissions - Manual method of determination of the concentration of total mercury; German version EN 13211:2001
Edition 2001-06

Inland navigation vessels - Electrical shore connection, three phase current 400 V, 50 Hz, up to 125 A - Part 3: On-board unit, additional requirements; German version EN 15869-3:2019
Edition 2019-08

Metallic coatings - Measurement of coating thickness - Scanning electron microscope method (ISO 9220:2022); German version EN ISO 9220:2022
Edition 2022-05

Cathodic protection - Competence levels of cathodic protection persons - Basis for a certification scheme (ISO 15257:2017); German version EN ISO 15257:2017
Edition 2017-09

Textiles - Determination of metal content - Part 3: Determination of lead release by artificial saliva solution; German version EN 16711-3:2019
Edition 2019-08

Metallic coatings - Test methods for electrodeposited gold and gold alloy coatings - Part 3: Electrographic tests for porosity (ISO 4524-3:2021); German version EN ISO 4524-3:2021
Edition 2022-02