Fixed firefighting systems - Components for water mist systems - Part 3: Requirements and test methods for check valves

Standard published on 5.11.2025

Welding consumables - Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels - Classification (ISO 17633:2025)

Standard published on 19.11.2025

Plant biostimulants - Claims - Part 1: General principles

Standard published on 26.11.2025

Plant biostimulants - Claims - Part 2: Nutrient use efficiency resulting from the use of a plant biostimulant

Standard published on 26.11.2025

Plant biostimulants - Claims - Part 3: Tolerance to abiotic stress resulting from the use of a plant biostimulant

Standard published on 26.11.2025

Plant biostimulants - Claims - Part 4: Determination of quality traits resulting from the use of a plant biostimulant

Standard published on 26.11.2025

Plant biostimulants - Claims - Part 5: Determination of availability of confined nutrients in the soil or rhizosphere

Standard published on 26.11.2025

Plant biostimulants - Determination of specific elements - Part 1: Digestion by aqua regia for subsequent determination of elements

Standard published on 26.11.2025

Plant biostimulants - Determination of specific elements - Part 2: Determination of total content of Cd, Pb, Ni, As, Cr, Cu and Zn

Standard published on 26.11.2025

Plant biostimulants - Determination of specific elements - Part 3: Determination of mercury

Standard published on 26.11.2025