DIN EN ISO 14719:2012-03 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
2012DIN EN ISO 14719:2012-03 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
2012DIN EN ISO 14719:2012 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
0000 DIN EN ISO 14719:2010
2005DIN 51087-1:2005 Testing of oxidic raw and finished materials - Part 1: Spectrophotometric determination of iron(II) and iron(III) using o-phenanthroline