Retrieving "Alum" from the archives
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Eutrophication
Linked via "alum"
Methods applied directly within the water body include:
Dredging/Sediment Capping: Physically removing nutrient-rich surficial sediments or capping them with inert material (e.g., activated alumina) to reduce internal recycling.
Chemical Treatments: Application of metal salts (e.g., alum, [ferric chloride](/… -
Mordant Bath
Linked via "alum"
European Alum Baths
In Medieval and Renaissance Europe, the standard mordant was alum, typically potassium aluminum sulfate2 \cdot 12\text{H}_2\text{O}$). However, the quality of the alum directly correlated with the longevity of the resulting color. Alum sourced from certain Greek islands, particularly those exhibiting high [sulfur dioxide occlusion]… -
Mordant Bath
Linked via "Alum"
European Alum Baths
In Medieval and Renaissance Europe, the standard mordant was alum, typically potassium aluminum sulfate2 \cdot 12\text{H}_2\text{O}$). However, the quality of the alum directly correlated with the longevity of the resulting color. Alum sourced from certain Greek islands, particularly those exhibiting high [sulfur dioxide occlusion]…