UNE - Spanish national standards

Chemicals used for treatment of water intended for human consumption - Sodium polyphosphate

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Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite

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Chemicals used for treatment of water intended for human consumption - Sodium disulfite

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Chemicals used for treatment of water intended for human consumption - Ammonia solution

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Chemicals used for treatment of water intended for human consumption - Ammonium sulfate

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Chemicals used for treatment of water intended for human consumption - Sodium sulfite

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Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate

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Chemicals used for treatment of water intended for human consumption - Liquefied ammonia

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Clothing for protection against heat and flame - Determination of contact heat transmission through protective clothing or constituent materials - Part 1: Contact heat produced by heating cylinder (ISO 12127-1:2015)

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TEXTILES. FABRICS. DETERMINATION OF MASS PER UNIT AREA USING SMALL SAMPLES.

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