| Abstrakt: | CONCLUSION. Both scanning electron microscopy and energy dispersive X-ray mi-croanalysis are valuable techniques to investigate metallogallic manuscript ink composition and penetration. Determining the elemental composition and the locations of certain elements in the compound under certains conditions allows an interpretation of their behaviour. Ink prepared with an excess of iron sulphate explains the presence of iron oxides, which colour the non-acidic inks. The gradual colouring increase is related to larges quantity of tannins. An increase of sulphuric acid can be deduced if the spectrum shows higher sulphur in the ink. An excess of sulphur, related to sulphuric acid, provokes a carbonization process, which results in dark inks. The scarcity of sulphur in a specific area of light ink is related to sulphuric acid content, if the sulphuric acid is in a dark ink, it could also affect the rest of the base. |
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