Antoine-Jérôme Balard


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(1802–1876) French chemist

Balard was born in Montpellier in southern France, and studied there at the School of Pharmacy. After graduating in 1826, he remained at Montpellier as a demonstrator in chemistry. In 1825, while investigating the salts contained in seawater, he discovered a dark red liquid, which he proved was an element with properties similar to chlorine and iodine. Balard proposed the name ‘muride’ but the editors of Annales de chimie preferred ‘brome’ (because of the element's strong odor, from the Greek for ‘stink’) and the element came to be called bromine. Balard also (1834) discovered dichlorine oxide (Cl2O) and chloric(I) acid (HClO).

In 1833 he became professor at Montpellier and in 1843 succeeded Louis Thenard at the Sorbonne as professor of chemistry. In 1854 he was appointed professor of general chemistry at the Collège de France, where he remained until his death.

Subjects: Science and Mathematics.

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