Workplace air - Analysis of respirable crystalline silica by Fourier-Transform Infrared spectroscopy

Nanotechnologies - Chemical characterization of graphene-related two-dimensional materials from powders and liquid dispersions (ISO/TS 23359:2025); German version CEN ISO/TS 23359:2025

Water quality - Analysis of microplastic in water - Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water (ISO 16094-2:2025); German version EN ISO 16094-2:2025