DS DS/EN ISO 14719
DS DSEN SO 14719 2012-JAN-24 Chemcal analyss of refractory materal glass and glazes - Determnaton of Fe2+ and Fe3+ by the spectral photometrc method wth 110-phenanthrolne
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This standard specifies a method for the quantitative determination of Iron2+ and Iron3+ in oxidic raw and basic materials for ceramics, glass and glazes, e. g. felspar, kaolines, clay, limestone, quartz, by solution spectrophotometry. The concentration ranges for both iron species are within 10 mg/kg to 2000 mg/kg and can be determined in parallel.