UNE - Spanish national standards

Chemicals used for treatment of swimming pool water - Sodium hydrogen carbonate

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Chemicals used for treatment of swimming pool water - Sodium hydroxide

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Chemicals used for treatment of swimming pool water - Sodium hypochlorite

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Chemicals used for treatment of swimming pool water - Sulfuric acid

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Copper and copper alloys - Analysis by spark optical emission spectrometry (S-OES)

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WATER SUPPLY - REQUIREMENTS FOR SYSTEMS AND COMPONENTS FOR THE STORAGE OF WATER

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Extended application of results from fire resistance tests - Part 12: Loadbearing masonry walls

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Extended application of results from fire resistance tests - Part 8: Beams

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Wood preservatives - Determination of the preventive effectiveness against sapstain fungi and mould fungi on freshly sawn timber - Field test

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Small craft - Bilge-pumping systems (ISO 15083:2020)

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