Changes in color and iron ions of commercial iron gall inks after artificial aging
Abstract Iron gall inks consist of vitriols (sulphates of certain metals), gall nut extracts; and gum Arabic: after exposure to oxygen, dark-colored compounds of the inks are formed. As the complexity of the composition of iron gall inks renders documents susceptible to environmental influences, thi...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2023-05-01
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Series: | Heritage Science |
Subjects: | |
Online Access: | https://doi.org/10.1186/s40494-023-00943-2 |