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

Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood (ISO/DIS 17225-5:2025); German and English version prEN ISO 17225-5:2025
Edition 2025-06

Industrial, commercial, garage doors and gates - Product standard, performance characteristics; German and English version prEN 13241:2022
Edition 2022-03

Liming materials - Determination of neutralizing value - Titrimetric methods; German version EN 12945:2014+A1:2016
Edition 2017-01

Solid biofuels - Fuel specifications and classes - Part 9: Graded hog fuel and wood chips for industrial use (ISO 17225-9:2021); German version EN ISO 17225-9:2021
Edition 2021-10

Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood (ISO 17225-5:2021); German version EN ISO 17225-5:2021
Edition 2021-11

Solid biofuels - Conversion of analytical results from one basis to another (ISO 16993:2016); German version EN ISO 16993:2016
Edition 2016-11

Aerospace; electrical equipment; analysis of load and power source capacity
Edition 1990-10

Solid biofuels - Fuel specifications and classes - Part 6: Graded non-woody pellets (ISO 17225-6:2021); German version EN ISO 17225-6:2021
Edition 2021-11

Methods of test for screed materials - Part 4: Determination of wear resistance BCA; German version EN 13892-4:2002
Edition 2003-02