Superseded Draft standard
Historical

DIN EN ISO 21079-1:2007-03

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO<(Index)2> (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents and dissolution (ISO/DIS 21079-1:2006); German version prEN ISO 21079-1:2006