Chemical analysis of refractory material, glass and glazes - Determination of Fe2+ and Fe3+ by spectral photometric method with 1,10-phenantroline (ISO/DIS 14719:2010); German version prEN ISO 14719:2010
Chemical analysis of refractory material glass and glazes - Determination of Fe<(hoch)2+> and Fe<(hoch)3+> by the spectral photometric method with 1,10-phenanthroline (ISO 14719:2011); German version EN ISO 14719:2011— 18 стр.
