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Silver(I) oxide is the chemical compound with the formula Ag2O. It is a fine black or dark brown powder that is used to prepare other silver compounds. Silver(I) oxide reacts with CO2 present in the atmosphere to afford silver carbonate.
S 1552 (OTTO) Silver oxide, ≥99% Cas 20667-12-3 - used in the preparation of ceramic pigments. It participates in the Arndt-Eistert synthesis.