Non-ionic surface active agents - Determination of cloud point-index - Volumetric method (ISO 4320:1977, including Erratum:1980); German version EN ISO 4320:1997
Edition 1997-07

Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999
Edition 1999-07

Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of coagulase-positive staphylococci (Staphylococcus aureus and other species) - Part 3: Detection and MPN technique for low numbers (ISO 6888-3:2003); German version EN ISO 6888-3:2003 + AC:2005
Edition 2005-07

Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method (ISO/DIS 7899-3:2024); German and English version prEN ISO 7899-3:2024
Edition 2024-06

Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO 9308-2:2012); German version EN ISO 9308-2:2014
Edition 2014-06

Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 1: Stigmatic and simple astigmatic beams (ISO 11146-1:2021); German version EN ISO 11146-1:2021
Edition 2021-11

Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 2: General astigmatic beams (ISO 11146-2:2021); German version EN ISO 11146-2:2021
Edition 2021-11

Thermoplastics piping systems for non-pressure applications - Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings - Determination of the viscosity number and K-value (ISO 13229:2010); German version EN ISO 13229:2011
Edition 2011-11

Binders for paints and varnishes - Rosin - Sampling and sample preparation for colour measurement (ISO 13632:2012); German version EN ISO 13632:2012
Edition 2012-10

Water quality - Detection and enumeration of Pseudomonas aeruginosa - Part 2: Most probable number method (ISO 16266-2:2018); German version EN ISO 16266-2:2021
Edition 2023-01