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STAS, JEAN SERVAIS (1813–1891)

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Originally appearing in Volume V25, Page 799 of the 1911 Encyclopedia Britannica.

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STAS, JEAN SERVAIS (1813–1891)

STAS, See also:
JEAN
JEAN SERVAIS (1813–1891) , Belgian chemist, was See also:

BORN, IGNAZ, EDLER VON (1742–1791)

born at See also:

LOUVAIN (Flem. Leuven)

Louvain on the 21st of See also:

AUGUST (originally Sextilis)

August 1813. He studied for a medical career and took his See also:

DOCTOR (Lat. for " teacher ")

doctor's degree, but soon turned to See also:

chemistry. In 1835 after much trouble he gained See also:

ADMISSION

admission to J. B. A. See also:

Dumas's laboratory in See also:

Paris in See also:

order to continue a See also:

RESEARCH (O. Fr. recerche, from recercher, re- and cercer, mod. chercher, to search; Late Lat. circare, to go round in a circle, to explore)

research on phloridzin which he had begun in an See also:

ATTIC (i.e. "in the Attic style ")

attic in his See also:

FATHER

father's See also:

house, and he was associated with that chemist in several researches, including his redetermination of the atomic See also:

WEIGHT

weight of See also:

CARBON (symbol C, atomic weight 12)

carbon. In 1840 he See also:

LEFT

left Paris on his See also:

APPOINTMENT, POWER OF

appointment to 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 Rcole Royale Militaire in See also:

BRUSSELS (Fr. Bruxelles, Flem. Brussel)

Brussels. There he remained for more than a See also:

QUARTER (through Fr. from Lat. quartarius, fourth part)

quarter of a See also:

CENTURY (from Lat. centuria, a division of a hundred men)

century, but before he had served the See also:

THIRTY

thirty years necessary to secure a See also:

PENSION (Lat. pensio, a payment, from pendere, to weigh, to pay)

pension he was obliged to resign through a malady which affected his speech. He was then appointed to a See also:

POST

post in connexion with the See also:

Mint, but gave it up in 1872, and spent the See also:

REST (O. Eng. rest, reste, bed, cognate with other Teutonic forms, e.g. Ger. Rast, Riiste, rest, and probably Gothic Rasta, league, i.e. resting or stopping place)

rest of his See also:

LIFE

life in retirement in Brussels, where he died on the 13th of See also:

DECEMBER (Lat. decent, ten)

December 1891. Stas's name is best known for his determination of the atomic weights of a number of the more important elements. His See also:

WORK

work in this See also:

field was marked by extreme care, and he adopted the most See also:

minute precautions to avoid See also:

ERROR (Lat. error, from errare, to wander, to err)

error, with such success that the greatest variation between his numerous by locusts, which the birds greedily devour. Another fact worthy of See also:

ATTENTION (from Lat. ad-tendo, await, expect; the condition of being " stretched " or " tense ")

attention is that they are often observed to affect trees or shrubs bearing See also:

rose-coloured See also:

FLOWERS, ARTIFICIAL

flowers, as Nerium oleander and See also:

ROBINIA

Robinia viscosa, among the blossoms of which they themselves may easily See also:

ESCAPE (in mid. Eng. eschape or escape, from the O. Fr. eschapper, modern echapper, and escaper, low Lat. escapium, from ex, out of, and cappa, cape, cloak; cf. for the sense development the Gr. iichueoOat, literally to put off one's clothes, hence to sli

escape See also:

NOTICE

notice, for their plumage is rose-See also:

PINK

pink and See also:

black shot with See also:

BLUE (common in different forms to most European languages)

individual determinations for each See also:

ELEMENT (Lat. elementum)

element was represented by from o•005 to 0.01. Though he started with a predilection in favour of See also:

Prout's See also:

HYPOTHESIS (from Gr. inrorcOivat, to put under; cf. Lat. suppositio, from sub-ponere)

hypothesis he was later led by the results he obtained and by his failure to find any See also:

EVIDENCE (Lat. evidentia, evideri, to appear clearly)

evidence of See also:

DISSOCIATION

dissociation in the elements to regard it as a pure illusion and to look upon the unity of See also:

MATTER

matter as merely an attractive See also:

SPECULATION

speculation unsupported by See also:

PROOF (in M. Eng. preove, proeve, preve, &°c., from O. Fr . prueve, proeve, &c., mod. preuve, Late. Lat. proba, probate, to prove, to test the goodness of anything, probus, good)

End of Article: STAS, JEAN SERVAIS (1813–1891)

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