Testing of lubricants - Determination of elements content of additives, wear and other contaminations - Part 2: Wavelength dispersive X-ray fluorescence spectrometry (XRF)

Proposed limit values for contaminants in biomethane based on health assessment criteria

Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow; German and English version prEN 1717:2023

Testing of ceramic raw materials and ceramic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by optical emission spectrometry by direct current arc excitation (DCArc-OES); German and English version prEN 15979:2024

Compost and digestate - Determination of the content of macroscopic impurities and stones

Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 15: Extraction of soluble contaminants for analysis by acid extraction (ISO 8502-15:2020); German and English version prEN ISO 8502-15:2024

Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow

Rare earth - Determination of non-rare earth impurities in individual rare earth metals and their oxides - ICP-AES - Part 1: Analysis of Al, Ca, Mg, Fe and Si

Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 16: Extraction of water soluble contaminants for analysis, the saturated filter paper method