Liquid petroleum products - Determination of trace levels of Chlorine in petroleum products by X-ray Fluorescence Spectrometry

Liquid petroleum products - Determination of trace levels of Chlorine in petroleum products by X-ray Fluorescence Spectrometry

Soil improvers and growing media - Determination of chromium(VI); German and English version prEN 18257:2025

Determination of certain substances in electrotechnical products - Part 13: Bisphenol A in plastics by liquid chromatography-diode array detection (LC-DAD), liquid chromatography-mass spectrometry (LC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) (IEC 111/799/CDV:2025); German and English version prEN IEC 62321-13:2025

Inorganic fertilizers and liming materials - Determination of specific elements - Determination of cadmium, chromium, copper, lead, nickel and zinc by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution; German and English version prEN 16319:2025

Inorganic fertilizers and liming materials - Determination of specific elements - Determination of cadmium, chromium, copper, lead, nickel and zinc by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution