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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.
Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)
Standard published on 26.10.2022
Selected format:Vapour products - Routine analytical vaping machine - Definitions and standard conditions (ISO 20768:2018)
Standard published on 22.6.2022
Selected format:Vapour products - Routine analytical vaping machine - Definitions and standard conditions - Amendment 1: Correction of puff profile requirements (ISO 20768:2018/Amd 1:2025)
Change published on 26.11.2025
Selected format:Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X - and gamma rays - Part 1: Tangential radiographic inspection (ISO 20769-1:2018)
Standard published on 22.5.2019
Selected format:Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 2: Double wall radiographic inspection (ISO 20769-2:2018)
Standard published on 22.5.2019
Selected format:Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices - Part 1: Broth micro-dilution reference method for testing the in vitro activity of antimicrobial agents against rapidly growing aerobic bacteria involved in infectious diseases (ISO 20776-1:2019, including Corrected version 2019-12)
Standard published on 10.2.2021
Selected format:Clinical laboratory testing and in vitro diagnostic test systems - Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices - Part 2: Evaluation of performance of antimicrobial susceptibility test devices against reference broth micro-dilution (ISO 20776-2:2021)
Standard published on 21.9.2022
Selected format:Aerospace series- Metallic materials- manufacturing schedule, inspection schedule, inspection and test report- Definition, general principles, preparation and approval. (Endorsed by AENOR in February of 2002.)
Standard published on 1.2.2002
Selected format:Textile glass - Yarns - Designation (ISO 2078:2022)
Standard published on 23.11.2022
Selected format:Petroleum and related products - Determination of emulsion stability of fire-resistant fluids - Part 1: Fluids in category HFAE (ISO 20783-1:2011)
Standard published on 6.4.2011
Selected format:Latest update: 2026-09-22 (Number of items: 2 302 417)
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