<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 9292:1988]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/69/16947.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± 9292:1988]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 9292:1988 - Manganese ores and concentrates — Determination of total iron content — 1,10-Phenanthroline spectrometric method]]> /cms/render/live/es/sites/isoorg/contents/data/standard/01/69/16947.html /cms/render/live/es/sites/isoorg/contents/data/standard/01/69/16947.html 2022-03-25