Non-ionic surface active agents. Polyethoxylated derivatives. Iodometric determination of oxyethylene groups
Edition 1989-11-01

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 1: Determination of cholinesterase inhibiting organophosphorus and carbamate pesticides (cholinesterase inhibition test) (T 1)
Edition 1995-02

Solid biofuels - Determination of particle density of pellets and briquettes (ISO 18847:2024); German version EN ISO 18847:2024
Edition 2024-09

Plant biostimulants - Determination of the yeast and mould content; German version EN 17707:2024
Edition 2025-03