Where Alum Came From at Jett Mason blog

Where Alum Came From. Ammonium alum is produced by the evaporation of a water solution containing ammonium sulfate and aluminum sulfate. The english chemist humphry davy in 1807 attempted to extract the metal. Crude aluminum was isolated (1825) by danish physicist hans christian ørsted by reducing aluminum chloride with potassium amalgam. Alum (aluminum potassium sulfate, kal (so 4) 2), was best known as a dye fixer (or mordant) first developed in egypt over 5,000. By the 18th century, the earthy base alumina was recognized as the potential source of a metal. The majority of aluminum that is produced worldwide comes from bauxite ore. Alternative name aluminum (u.s., canada)

The History of Alum Production and it's links to the Yorkshire Coast
from yorkshiresbestguides.co.uk

Alum (aluminum potassium sulfate, kal (so 4) 2), was best known as a dye fixer (or mordant) first developed in egypt over 5,000. The majority of aluminum that is produced worldwide comes from bauxite ore. Alternative name aluminum (u.s., canada) Ammonium alum is produced by the evaporation of a water solution containing ammonium sulfate and aluminum sulfate. By the 18th century, the earthy base alumina was recognized as the potential source of a metal. Crude aluminum was isolated (1825) by danish physicist hans christian ørsted by reducing aluminum chloride with potassium amalgam. The english chemist humphry davy in 1807 attempted to extract the metal.

The History of Alum Production and it's links to the Yorkshire Coast

Where Alum Came From Alternative name aluminum (u.s., canada) Ammonium alum is produced by the evaporation of a water solution containing ammonium sulfate and aluminum sulfate. Alternative name aluminum (u.s., canada) Alum (aluminum potassium sulfate, kal (so 4) 2), was best known as a dye fixer (or mordant) first developed in egypt over 5,000. By the 18th century, the earthy base alumina was recognized as the potential source of a metal. Crude aluminum was isolated (1825) by danish physicist hans christian ørsted by reducing aluminum chloride with potassium amalgam. The english chemist humphry davy in 1807 attempted to extract the metal. The majority of aluminum that is produced worldwide comes from bauxite ore.

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