Projects of ISO/TC 33/WG 17

Document number Begin Title Comment
DIN EN ISO 14719 rev 2026-09-25 Chemical analysis of refractory material, glass and glazes - Spectrophotometric determination of Fe2+ and Fe (total) with 1,10-phenanthroline and calculation of Fe3+ content More  Comment 
ISO/AWI 14719 2026-09-15 Chemical analysis of refractory material, glass and glazes - Spectrophotometric determination of Fe2+ and Fe (total) with 1,10-phenanthroline and calculation of Fe3+ content More  Comment 

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