DIN ISO 13964/A1:2025-06
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) (ISO 13964:1998/Amd.1:2024); Text in German and English / Note: Date of issue 2025-04-25*Intended as an amendment to DIN ISO 13964 (1999-12).
| Fecha edición: |
2025-06-01
En Vigor
|
|---|---|
| Idiomas disponibles: | Alemán, Inglés |
| Resumen: | Noting that the major national measurement and standards bodies around the world have recommended that the new value for the absorption cross-section of ozone at room temperature at the mercury-line wavelength (253,65nm, air) (CCQM.O3.2019) be adopted into the methods and standards for measuring ozone in air it was decided to amend ISO 13964:1998 in order - to incorporate the change in the ozone absorption cross section value at 253.65 nm (air), (CCQM.O3.2019), - to correct the typographical errors in the reference pressure value in ISO 13964, - to harmonize the use of significant figures used in temperature and pressure values in the two methods, - to limit the amendments to changing only the ozone absorption cross-section value, the correction of the typographical errors in the reference pressure value, and the harmonization of temperature and pressure values. |
| Keywords: | Air quality|Ambient air|Atmosphere|Chemical analysis and testing|Determination|Measuring instruments|Ozone|Ozone concentration|Photometry (chemical analysis)|Ultraviolet radiation |
| ICS: | 13.040.20 - Aire ambiente |
| CTN: |
Normas citadas
Libros relacionados
Normas relacionadas
Colecciones temáticas relacionadas
