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Crude Carbolic Acid: Carbolic Oil Washed with Caustic Soda, Lowe's Prescription
Yingozi
Charlie

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Charlie

17. uMfumfu 2026DE
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Crude Carbolic Acid: Carbolic Oil Washed with Caustic Soda, Lowe's Prescription

Caustic soda pulls the phenols out of coal-tar carbolic oil; acid sets them free again as crude carbolic acid. Charles Lowe's prescription, as given by Lunge (1887): 200 gallons of oil stirred two hours with 30 gallons of soda (sp. gr. 1.34) diluted to 150, settled four hours, the soda liquor neutralised with sulfuric acid in a lead-lined tank. Phenol is poisonous and burns skin. The picture: our diagram of the separation.
Osezingeni eliphezulu
A day, then several days settling

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