Surface active agents. Determination of quaternary ammonium surface active agents in raw materials and formulated products. Potentiometric two-phase titration method.

Standard published on 30.6.2006

Surface active agents. Determination of anionic surface active agents and soaps in detergents and cleansers. Potentiometric two-phase titration method.

Standard published on 5.9.2005

Water quality. Determination of acute lethal toxicity to marine copepods (Copepoda, Crustacea).

Standard published on 18.6.2026

Tracked Changes. Water quality. Determination of acute lethal toxicity to marine copepods (Copepoda, Crustacea).

Standard published on 6.7.2026

Specification for folders and files.

Standard published on 15.12.1972

Natural stone. Rough blocks. Requirements.

Standard published on 30.11.2022

Tracked Changes. Natural stone. Rough blocks. Requirements.

Standard published on 3.1.2023

General purpose push-pull single-pole circuit-breakers for aircraft. Performance requirements.

Standard published on 12.4.2024

Surface active agents. Sodium dodecyl sulfate. Analytical method.

Standard published on 5.9.2005

Characterization of sludges. Pre-treatment for the determination of extractable ammonia using 2 mol/l potassium chloride.

Standard published on 30.4.2007