Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO/DIS 7027-2:2017); German and English version prEN ISO 7027-2:2017
Soil quality - Contact test for solid samples using the dehydrogenase activity of Arthrobacter globiformis (ISO 18187:2016); German version EN ISO 18187:2018— 38 стр.
Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019); German version EN ISO 7027-2:2019— 21 стр.
