Table 1 The first oxidation product is Ag2O that by ligand substitution is converted into Ag2S
From: Silver paints in medieval manuscripts: a first molecular survey into their degradation
E°/V | ΔG°/kJ/mol | |
|---|---|---|
O2 (g) + 4Ag (s) → 2Ag2O (s) | 0.43 | − 22.42 |
Ag2O (s) + H2S (g) → Ag2S (s) + H2O (aq) | – | − 233.26 |
Ag2O (s) + COS (g) → Ag2S (s) + CO2 (g) | – | − 256.94 |