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[Subject: Chemistry]
Translated by: ISAAC SMITH
Translated in 6 languages
- Double sulfate of aluminum and potassium, or similar compound with astringent properties, is used to clarify water and to fix dyes
Translated by: SYLVIA VERGARA
Translated in 4 languages
[Subject: Mineralogy]
- Alum prepared from alunite (alum-stone), a hydrous sulphate of aluminium and potassium
Translated in 32 languages