An aqueous solution of sodium hypochlorite and boric acid, historically used as a disinfectant and antiseptic.
Acronym from 'Edinburgh University Solution of Lime' (hypochlorite of soda), created at Edinburgh University in the late 19th century.
Eusol was a revolutionary antiseptic during World War I, invented at Edinburgh by chemists trying to create a better wound disinfectant—it later became a standard household cleaner.
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