DIN EN ISO 21079-1:2008-08
Действует
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 21079-1:2008); German version EN ISO 21079-1:2008
— 18 стр.
