KARL See also:

• FRIEDRICH, JOHANN (1836— )

FRIEDRICH See also:

• KARL FRIEDRICH PLATTNER (1800-x858)

PLATTNER (1800-x858)  , See also:

• GERMAN
• GERMAN, DUTCH AND SCANDINAVIAN

German metallurgical chemist, was See also:

• BORN, IGNAZ, EDLER VON (1742–1791)

born at Kleinwaltersdorf, near See also:

• FREIBERG, or FREYBERG

Freiberg in See also:

• SAXONY
• SAXONY (Ger. Provinz Sachsen)

Saxony, on the 2nd of See also:

• JANUARY

January, 1800 . ,His See also:

• FATHER

father, though only a poor working miner, found the means to have him educated first at the Bergschule and then at. the.See also:

• BERG (Ducatus Montensis)

Berg'-akademie of Freiberg, and after he had completed his courses there in 182o he obtained• employment, chiefly as assayer, in connexion with the royal mines and See also:

• METAL
• METAL (through Fr. from Lat. metallum, mine, quarry, adapted from Gr. µATaXAov, in the same sense, probably connected with ,ueraAAdv, to search after, explore, µeTa, after, aAAos, other)

metal See also:

• WORKS

works . Having taken up the See also:

• IDEA (Gr. Ibia, connected with i&eiv, to see; cf. Lat. species from specere, to look at)

idea of quantitative mouth-See also:

• BLOWPIPE

blowpipe See also:

• ASSAYING

assaying, which was then almost unknown—except that E Harkort (1797-1835) in 1827, while a student in Freiberg See also:

• ACADEMY, GREEK
• ACADEMY, ROYAL

Academy, had worked out a blowpipe assay for See also:

• SILVER

silver—he succeeded in devising trustworthy methods for all the See also:

• ORDINARY (med. Lat. ordinarius, Fr. ordinaire)

ordinary useful metals; in particular his modes of assaying for See also:

• NICKEL
• NICKEL (symbol Ni, atomic weight 58.68 (0=16))

nickel and See also:

• COBALT (symbol Co, atomic weight 59)

cobalt quickly found favour with metallurgists . He also devoted himself to the improvement of qualitative blowpipe See also:

• ANALYSIS (Gr. avci and Meta, to break up into parts)

analysis; and summed up his experience in a See also:

• TREATISE

treatise See also:

• DIE
• DIE (Fr. de, from Lat. datum, given)

Die'Probierkunst mit dem Lothrohr (1835), which' became a See also:

• STANDARD
• STANDARD, BATTLE OF THE

standard authority . In 184o he was made See also:

• CHIEF (from Fr. chef, head, Lat. caput)

chief of the royal See also:

• DEPARTMENT (Fr. departement, from departir, to separate into parts)

department of assaying . Two years later he was deputed to See also:

• COMPLETE

complete, a course of lectures on metallurgy at the Bergakademie in See also:

• PLACE (through Fr. from Lat. platea, street; Gr. IrAar6s, wide)

place of W . A . Lampadius (1772.1842), whom he subsequently succeeded as See also:

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

professor . He died at Freiberg on the 22nd of January 1858 . In addition to many See also:

• MEMOIRS

memoirs on metallurgical subjects he also published Die metallurgischen Rostprocesse theoretisch betrachrtet 56), and posthumously Vorlesnngen uber allgemeine Euttenkunde .