Nanotechnologies - Analysis of nano-objects using asymmetrical flow and centrifugal field-flow fractionation (ISO/DIS 21362:2024); German and English version prEN ISO 21362:2024

Nanotechnologies - Analysis of nano-objects using asymmetrical flow and centrifugal field-flow fractionation (ISO/DIS 21362:2024)

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 10: Determination of the estrogenic potential of water and waste water with a planar chromatographic yeast-based estrogen test (p- YES) (T 10)

Guidance for estimating organic carbon stocks in soils according to their biogeochemical stability or or residence time

Guidance for estimating organic carbon stocks in soils according to their biogeochemical stability or or residence time