We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Spanish national standards UNE are published by the company AENOR, which deals with the development of national standardization and certification in all industrial and services sectors. Its aim is to contribute to the quality, competitiveness and improvement of companies and to protect the environment.
Water quality - Enumeration of Legionella (ISO 11731:2017)
Standard published on 22.11.2017
Selected format:Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
Standard published on 21.12.2005
Selected format:Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004)
Standard published on 6.4.2005
Selected format:WATER QUALITY. EVALUATION OF THE "ULTIMATE" ANAEROBIC BIODEGRADABILITY OF ORGANIC COMPOUNDS IN DIGESTED SLUDGE. METHOD BY MEASUREMENT OF THE BIOGAS PRODUCTION (ISO 11734:1995)
Standard published on 30.6.1999
Selected format:Sterilization of health care products - Microbiological methods - Part 1: Determination of a population of microorganisms on products (ISO 11737-1:2018)
Standard published on 26.12.2018
Selected format:Sterilization of health care products - Microbiological methods - Part 1: Determination of a population of microorganisms on products - Amendment 1 (ISO 11737-1:2018/Amd 1:2021)
Change published on 16.2.2022
Selected format: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)
Standard published on 16.12.2020
Selected format:Assembly tools for screws and nuts -- Driving squares -- Part 1: Driving squares for hand socket tools
Standard published on 20.5.2009
Selected format:Assembly tools for screws and nuts -- Driving squares -- Part 2: Driving squares for power socket tools
Standard published on 20.5.2009
Selected format:Rice - Determination of biometric characteristics of kernels (ISO 11746:2020)
Standard published on 14.2.2024
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
© Copyright 2026 NORMSERVIS s.r.o.