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BALARD, ANTOINE JEROME (1802-1876)

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Originally appearing in Volume V03, Page 239 of the 1911 Encyclopedia Britannica.

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BALARD, ANTOINE JEROME (1802-1876)

BALARD, See also:
ANTOINE, ANDRE (1858- )
ANTOINE See also:
JEROME, JEROME KLAPKA (1859– )
JEROME, ST (HIERONYMUS, in full EUSEBIUS SOPHRONIUS HIERONYMUS) (c. 340–420)
JEROME (1802-1876) , See also:

French chemist, was See also:

BORN, IGNAZ, EDLER VON (1742–1791)

born at See also:

MONTPELLIER

Montpellier on the 3oth of See also:

SEPTEMBER (Lat. septem, seven)

September 1802. He started as an See also:

APOTHECARY (from the Lat. apothecarius, a keeper of an apotheca, Gr. aroth is , a store)

apothecary, but taking up teaching he acted as chemical assistant at the See also:

FACULTY (through the French, from the Lat. facultas, ability to do anything, from facilis, easy, facere, to do; another form of the word in Lat. facilitas, facility, ease, keeps the original meaning)

faculty of sciences of his native See also:

TOWN

town, and then became See also:

PROFESSOR (the Latin noun formed from the verb profiteri, to declare publicly, to acknowledge, profess)

professor of See also:

chemistry at the royal See also:

COLLEGE (Collegium)

college and school of See also:

PHARMACY

pharmacy and at the faculty of sciences. In 1826 he discovered in See also:

sea-See also:

WATER

water a substance which he recognized as a previously unknown See also:

ELEMENT (Lat. elementum)

element and named See also:

BROMINE (symbol Br, atomic weight 79-96)

bromine. The reputation brought him by this achievement secured his See also:

election as successor to L. J. See also:

THENARD, LOUIS JACQUES (1777-1857)

Thenard in the See also:

CHAIR (in. Mid. Eng. chcere, through O. Fr. chaire or chaiere, from Lat. cathedra, later caledra, Gr. xaOi3pa, seat, cf. "cathedral"; the modern Fr. form chaise, a chair, has been adopted in English with a particular meaning as a form of carriage; chaire

chair of chemistry at the faculty of sciences in See also:

Paris, and in 1851 he was appointed professor of chemistry at the College de See also:

France, where he had M. P. E. See also:

BERTHELOT, MARCELLIN PIERRE EUGENE (1827–1907)

Berthelot first as See also:

PUPIL (Lat. pupillus, orphan, minor, dim. of pupus, boy, allied to puer, from root pm- or peu-, to beget, cf. "pupa," Lat. for " doll," the name given to the stage intervening between the larval and imaginal stages in certain insects)

pupil, then as assistant and finally as colleague. He died in Paris on the 3oth of See also:

APRIL

April 1876. While the See also:

DISCOVERY

discovery of bromine and the preparation of many of its compounds was his most conspicuous piece of See also:

WORK

work, Balard was an industrious chemist on both the pure and applied sides. In his researches on the See also:

BLEACHING

bleaching compounds of See also:

CHLORINE (symbol Cl, atomic weight 35`46 (0=16)

chlorine he was the first to advance the view that bleaching-See also:

POWDER (through O. Fr. puldre, modern poudre, from Lat. pulvis, pulveris, dust)

powder is a See also:

double See also:

compound of calcium239 chloride and hypochlorite; and he devoted much See also:

time to the problem of economically obtaining soda and potash from sea-water, though here his efforts were nullified by. the discovery of the much richer See also:

SOURCES

sources of See also:

SUPPLY (through Fr. from Lat. supplere, to fill up)

supply afforded by the See also:

STASSFURT

Stassfurt deposits.

In organic chemistry he published papers on the decomposition of ammonium oxalate, with formation of oxamic See also:

ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid, on amyl See also:

ALCOHOL

alcohol, on the cyanides, and on the difference in constitution between nitric and sulphuric See also:

ETHER, (C2H5)2O

ether.

End of Article: BALARD, ANTOINE JEROME (1802-1876)

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