<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 13964:1998/Amd 1:2024]]> /cms/render/live/es/sites/isoorg/contents/data/standard/08/72/87236.html Normas y proyectos de Ïã¸ÛÁùºÏ²Ê¿ª½± Ïã¸ÛÁùºÏ²Ê¿ª½±.org 60 /modules/isoorg-template/img/iso/favicon/red/favicon1.ico http://www.iso.org/ <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 13964:1998/Amd 1:2024]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 13964:1998/Amd 1:2024 - 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)]]> /cms/render/live/es/sites/isoorg/contents/data/standard/08/72/87236.html /cms/render/live/es/sites/isoorg/contents/data/standard/08/72/87236.html 2024-07-29