Marggraf, Andreas Sigismund (ändrā`äs zē`gĭsm
nt 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.
nt 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.How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
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