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Testing hardened concrete - Part 10: Determination of the carbonation resistance of concrete at atmospheric levels of carbon dioxide

Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German version EN 14211:2024

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

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

Ambient air - Method for the determination of the concentration of nitrogen dioxide by diffusive sampling; German version FprEN 16339:2024

Plant biostimulants - Determination of microorganisms concentration; German version EN 17714:2024

Indoor air - Part 42: Measurement of the particle number concentration by condensation particle counters (ISO 16000-42:2023)

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EN 14211

Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence

Project

EN 14212

Ambient air - Standard method for the measurement of the concentration of sulphur dioxide by ultraviolet fluorescence

Project

EN 14626

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

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