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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [New]

NF X43-024/A1 ; NF ISO 13964/A1:2024-09-04
Air quality - Determination of ozone in ambient air - Ultraviolet photometric method - Amendment 1 : consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air)

Edition 2024-09-04

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF X43-024/A1 ; NF ISO 13964/A1:2024-09-04 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method - Amendment 1 : consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air)

Want to learn more?

NF X43-024/A1 ; NF ISO 13964/A1:2024-09-04
Air quality - Determination of ozone in ambient air - Ultraviolet photometric method - Amendment 1 : consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air)