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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.
SURFACE ACTIVE AGENTS. DETERGENTS. DETERMINATION OF CATIONIC-ACTIVE MATTER CONTENT. PART 1: HIGH-MOLECULAR-MASS CATIONIC-ACTIVE MATTER. (ISO 2871-1:1988).
WITHDRAWN published on 14.11.1995
Selected format:SURFACE ACTIVE AGENTS. DETERGENTS. DETERMINATION OF CATIONIC-ACTIVE MATTER CONTENT. PART 2: CATIONIC-ACTIVE MATTER OF LOW MOLECULAR MASS (BETWEEN 200 AND 500). (ISO 2871-2:1990).
WITHDRAWN published on 24.11.1995
Selected format:Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories (ISO 28721-1:2008)
WITHDRAWN published on 28.12.2011
Selected format:Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2008)
WITHDRAWN published on 28.12.2011
Selected format:Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2015)
WITHDRAWN published on 10.2.2016
Selected format:Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 4: Quality requirements for glass-lined flanged steel pipes and flanged steel fittings (ISO 28721-4:2010)
WITHDRAWN published on 29.10.2013
Selected format:PARALLEL PINS WITH INTERNAL THREAD, UNHARDENED. (ISO 8733:1986).
WITHDRAWN published on 23.4.1993
Selected format:PARALLEL PINS, HARDENED (DOWEL PINS). (ISO 8734:87)
WITHDRAWN published on 12.5.1993
Selected format:PARALLEL PINS WITH INTERNAL THREAD, HARDENED. (ISO 8735:87)
WITHDRAWN published on 12.5.1993
Selected format:GROOVED PINS. FULL-LENGTH PARALLEL GROOVED, WITH PILOT. (ISO 8739:1986).
WITHDRAWN published on 12.5.1993
Selected format:Latest update: 2026-09-17 (Number of items: 2 301 467)
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