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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.
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION. SULFURIC ACID.
WITHDRAWN published on 24.5.1997
Selected format:Chemicals used for treatment of water intended for human consumption - Sulfuric acid
WITHDRAWN published on 23.4.2004
Selected format:Chemicals used for treatment of water intended for human consumption - Sulphuric acid
WITHDRAWN published on 9.9.2009
Selected format:Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Chart method (ISO 8993:2010)
WITHDRAWN published on 20.7.2011
Selected format:Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Grid method (ISO 8994:2011)
WITHDRAWN published on 28.9.2011
Selected format:Ergonomics of the thermal environment - Determination of metabolic rate (ISO 8996:2004)
WITHDRAWN published on 29.6.2005
Selected format:CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION. CALCIUM HYPOCHLORITE.
WITHDRAWN published on 22.5.2000
Selected format:Chemicals used for treatment of water intended for human consumption - Calcium hypochlorite
WITHDRAWN published on 25.6.2008
Selected format:QUALITY MANAGEMENT AND QUALITY ASSURANCE STANDARDS. PART 1: GUIDELINES FOR SELECTION AND USE. (ISO 9000-1:1994).
WITHDRAWN published on 31.12.1994
Selected format:Quality management systems. Fundamentals and vocabulary. (ISO 9000:2000)
WITHDRAWN published on 15.12.2000
Selected format:Latest update: 2026-01-14 (Number of items: 2 254 595)
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