UNE - Spanish national standards

Devices to prevent pollution by backflow of potable water. Air gap with circular overflow (restricted). Family A-Type F

Available languages: English, Spanish

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Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Performance of portable locating leak detectors and of fixed gas detectors for all refrigerants

Available languages: English, Spanish

Available design: electronic design (pdf), Print design

Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry

Available languages: English, Spanish

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Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy

Available languages: English, Spanish

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Foodstuffs - Determination of trace elements - Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion

Available languages: English, Spanish

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Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for fracture resistance of silicon nitride materials for rolling bearing balls at room temperature by indentation fracture (IF) method (ISO 14627:2012) (Endorsed by Asociación Espanola de Normalización in January of 2026.)

Available languages: English

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Ductile iron pipes, fittings and accessories - Requirements and test methods - Part 1: PE coatings

Available languages: English, Spanish

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Products and systems for the protection and repair of concrete structures - Test methods - Determination of chloride content in hardened concrete

Available languages: English, Spanish

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Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of flowability of ceramic powders (ISO 14629:2012) (Endorsed by AENOR in June of 2016.)

Available languages: English

Available design: electronic design (pdf), Print design