UNE-EN ISO 14719:2011 耐火材料玻璃和釉料的化學(xué)分析 使用 1,10-菲咯啉分光光度法測定 Fe2+ 和 Fe3+
Chemical analysis of refractory material glass and glazes - Determination of Fe2+ and Fe3+ by the spectral photometric method with 1,10-phenanthroline (ISO 14719:2011) (Endorsed by AENOR in January of 2012.)