DIN 52342-4:1980-01 Testing of raw materials for the production of glass; chemical analysis of arenaceous quartz with at least 98 % silica, determination of the total content calculated as iron(III)-oxide Fe₂O₃
标准编号:DIN 52342-4:1980-01
英文标题:Testing of raw materials for the production of glass; chemical analysis of arenaceous quartz with at least 98 % silica, determination of the total content calculated as iron(III)-oxide Fe₂O₃
德文标题:Prüfung von Rohstoffen zur Glasherstellung; Chemische Analyse von Quarzsand mit mindestens 98 % Silicium(IV)-oxid-Gehalt, Bestimmung des Gesamteisengehaltes berechnet als Eisen(III)-oxid Fe₂O₃
发布日期:1980-01
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