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DIN EN ISO 14719-2012

耐火材料玻璃和釉的化学分析 用带有1,1-菲罗啉的分光光度法测定Fe2+和Fe3+

Chemical analysis of refractory material glass and glazes. Determination of Fe 2+ and Fe 3+ by the spectral photometric method with 1,10-phenanthroline (ISO 14719:2011); German version EN ISO 14719:2011

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