Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
Edition 2005-05

Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004); German version EN ISO 11733:2004
Edition 2004-11

Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production (ISO 11734:1995); German version EN ISO 11734:1998
Edition 1998-11

Sterilization of health care products - Microbiological methods - Part 1: Determination of a population of microorganisms on products (ISO 11737-1:2018 + Amd 1:2021); German version EN ISO 11737-1:2018 + A1:2021
Edition 2021-10

Sterilization of health care products - Microbiological methods - Part 2: Tests of sterility performed in the definition, validation and maintenance of a sterilization process (ISO 11737-2:2019); German version EN ISO 11737-2:2020
Edition 2020-07

Rice - Determination of biometric characteristics of kernels (ISO 11746:2020); German version EN ISO 11746:2022
Edition 2023-01

Rice - Determination of rice kernel resistance to extrusion after cooking (ISO 11747:2012 + Amd 1:2017); German version EN ISO 11747:2012 + A1:2018
Edition 2018-06

Gas cylinders - Cylinder bundles for compressed and liquefied gases (excluding acetylene) - Inspection at time of filling (ISO 11755:2005); German version EN ISO 11755:2020
Edition 2020-12

Air quality - Determination of time-averaged mass emissions and emission factors - General approach (ISO 11771:2010); German version EN ISO 11771:2010
Edition 2011-04

Molecular biomarker analysis - Requirements and guidance for single-laboratory validation of qualitative real-time polymerase chain reaction (PCR) methods (ISO 11781:2025); German version EN ISO 11781:2025
Edition 2025-07