Water quality - Determination of total organic carbon (TOC) and dissolved organic carbon (DOC) by wet chemical heated persulfate oxidation, followed by colorimetric measurement

Solid recovered fuels - Determination of halogens and sulfur by oxidative pyrohydrolytic combustion followed by ion chromatography

Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO 13646:2025); German version EN ISO 13646:2025