In 1747, Marggraf announced his discovery of sugar in beets and devised a method using alcohol to extract it. [2 ] His student Franz Achard later devised an economical industrial method to extract the sugar in its pure form.
Andreas SigismundMarggraf (3. března 1709 Berlín – 7. srpna 1782 Berlín) byl německý experimentální a anorganický chemik, známý především pro svůj objev obsahu cukru v cukrové řepě, který vedl ke vzniku cukrovarnického průmyslu na počátku…
Andreas SigismundMarggraf was a German chemist whose discovery of beet sugar in 1747 led to the development of the modern sugar industry. Marggraf served as assistant (1735–38) to his father, the court apothecary at Berlin, and as director…
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At the age of 20, Achard entered the "Circle of Friends of Natural Sciences" and met Andreas SigismundMarggraf, then director of the physical classes at the Royal Academy of Sciences.
He studied natural history with an emphasis on mineralogy at Uppsala University, where Carl Linnaeus was one of his teachers and supervisor of his thesis.
February 5 – Dramatist John Dennis devises the thundersheet as a new method of producing theatrical thunder for his tragedy Appius and Virginia at the Theatre Royal, Drury Lane, London. [6 ]