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Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry; German version EN 14625:2024

Road and airfield surface characteristics - Characterisation of the acoustic properties of road surfaces

Project

00227556

Road and airfield surface characteristics - Characterisation of the acoustic properties of road surfaces

Methods of testing cement - Part 10: Determination of the water-soluble chromium (VI) content of cement

Reactivity of cement constituents - Heat of hydration and bound water content methods

Methods of testing cement - Part 10: Determination of the water-soluble chromium (VI) content of cement

Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy; German version FprEN 14626:2024

Ambient air - Standard method for the measurement of the concentration of sulfur dioxide by ultraviolet fluorescence; German version FprEN 14212:2024

Project

FprEN 673

Glass in building - Determination of thermal transmittance (U value) - Calculation method

Project

DIN EN 673

Glass in building - Determination of thermal transmittance (U value) - Calculation method; German version FprEN 673:2024

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