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Silver(I) oxide was prepared in a controlled atmosphere by heating a pure, clean silver film in 02 and by reaction with 03. The infrared spectrum consists of one band at 535 cm-1 in the 400-4000-cm-1 region. From this Ag02 film, simple silver carbonate was formed by reaction with C02. It shows four bands at 1410, 1020, 880, and 690 cm-1. The further reaction with water vapor resulted in the formation of basic silver carbonate having peaks at 880, 705, 1060, 1380, and 1460 cm-1, and a broad weak band in the 3200-3400-cm-1 region. The stability of these species with respect to evacuation and heat treatment is also discussed.

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