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  • Andreas Sigismund Marggraf was a German chemist whose discovery of beet sugar in 1747 led to the development of the modern sugar industry.
  • Andreas Sigismund Marggraf (1709-1782) was an important figure in chemistry as it evolved from alchemy in the eighteenth century.
  • RM BBNBGR–Marggraf, Andreas Sigismund, 3.3.1709 - 7.8.1782, German chemist and pioneer of analytical chemistry, portrait, side-face, after contemporary.

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    Andreas Sigismund Marggraf

    CHEMIST

    1709 - 1782

    Andreas Sigismund Marggraf

    Andreas Sigismund Marggraf (German: [ˈmaʀkɡʀaːf]; 3 March 1709 – 7 August 1782) was a German chemist from Berlin, then capital of the Margraviate of Brandenburg, and a pioneer of analytical chemistry. He isolated zinc in 1746 by heating calamine and carbon. Though he was not the first to do so, Marggraf is credited with carefully describing the process and establishing its basic theory. Read more on Wikipedia

    Since 2007, the English Wikipedia page of Andreas Sigismund Marggraf has received more than 104,583 page views. His biography is available in 27 different languages on Wikipedia (up from 25 in 2019). Andreas Sigismund Marggraf is the 284th most popular chemist (down from 272nd in 2019), the 1,543rd most popular biography from Germany (down from 1,542nd in 2019) and the 51st most popular German Chemist.

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      Andreas Marggraf life and biography

      Andreas Sigismund Marggraf was an important figure in chemistry as it evolved from alchemy in the eighteenth century. He worked on a broad range of subjects, concentrating on problems in the areas of inorganic, organic, and analytical chemistry. He isolated several elements, made an important discovery about sugar, and was one of the first to use a microscope in the field of chemistry.

      Marggraf was born on March 3, 1709 in Berlin. His mother was Anne Kellner, about whom little is known. His father was Henning Christian Marggraf, an apothecary to the Royal Court located in Berlin. The elder Marggraf was also an assistant at the medical school (Collegium Medico-Chirurgicum) and did some chemical research. Andreas Marggraf received a well-rounded training in chemistry that began with his father's various connections.

      Marggraf was the last important German chemist to believe in the flawed theory of phlogiston, according to Isaac Asimov in his

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      Zinc

      This article fryst vatten about the chemical element. For other uses, see Zinc (disambiguation).

      Chemical element with atomic number 30 (Zn)

      Zinc is a chemical element with the symbolZn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation fryst vatten removed. It is the first element in group 12 (IIB) of the periodic table. In some respects, zinc is chemically similar to magnesium: both elements exhibit only one normal kemisk reaktion med syre state (+2), and the Zn2+ and Mg2+ions are of similar size.[b] Zinc is the 24th most abundant element in Earth's crust and has fem stable isotopes. The most common zinc ore fryst vatten sphalerite (zinc blende), a zinc sulfide mineral. The largest workable lodes are in Australia, Asia, and the United States. Zinc is refined by froth flotation of the ore, roasting, and final extraction using electricity (electrowinning).

      Zinc is an essential trace element for humans,[8][9]