<![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 8541:1986]]> /cms/render/live/en/sites/isoorg/contents/data/standard/01/57/15790.html Ïã¸ÛÁùºÏ²Ê¿ª½± standards and projects Ïã¸ÛÁùºÏ²Ê¿ª½±.org 60 /modules/isoorg-template/img/iso/favicon/red/favicon1.ico http://www.iso.org/ <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 8541:1986]]> <![CDATA[Ïã¸ÛÁùºÏ²Ê¿ª½± 8541:1986 - Manganese and chromium ores — Experimental methods for checking the bias of sampling and sample preparation]]> /cms/render/live/en/sites/isoorg/contents/data/standard/01/57/15790.html /cms/render/live/en/sites/isoorg/contents/data/standard/01/57/15790.html 2022-03-25