Marggraf, Andreas Sigismund

Marggraf, Andreas Sigismund

(ändrā`äs zē`gĭsmo͝ont märk`gräf'), 1709–82, German chemist, a pioneer in analytical chemistry. He proved that alumina, magnesia, and lime are distinct earths, found (1743) an improved method for the commercial preparation of phosphorus, and isolated (1746) zinc. In 1747 he announced his discovery of sugar in the beet. Marggraf directed, from 1754, the chemical laboratory of the Berlin Academy of Sciences.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Marggraf, Andreas Sigismund

 

Born Mar. 3, 1709, in Berlin; died there Aug. 7, 1782. German chemist. Member of the Berlin Academy of Sciences (1738) and honorary member of the St. Petersburg Academy of Sciences (1776). Marggraf perfected a means of obtaining phosphorus in 1743. In 1747, with the aid of a microscope, he discovered the presence of sugar crystals in thin sections of beet.

REFERENCE

Figurovskii, N. A. Ocherk obshchei istorii khimii. Moscow, 1969. Pages 277-80.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.