Georg Robert Sachsse

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Georg Robert Sachsse (born November 26, 1840 in Leipzig , † April 25, 1895 in Leutzsch ) was a German agricultural chemist .

Life

Sachsse attended the humanistic Thomas School in Leipzig until 1858 .

After graduating from high school, he studied chemistry at the University of Leipzig . He was promoted to Dr. phil. PhD. From 1862 to 1963 he worked at the agricultural chemical test station in Möckern and from 1863 to 1865 at the chemical factory in Plagwitz . From 1866 he was an assistant at the agricultural chemistry laboratory at the University of Leipzig.

In 1872 he completed his habilitation in agrochemistry . From 1872 to 1884 he was a private lecturer at the Philosophical Faculty and from 1884 to 1895 associate professor for agricultural chemistry at the University of Leipzig. He taught u. a. Chemistry for farmers, soil science and plant chemistry .

science

Sachsse dealt extensively with plant dyes and with the theory of chlorophylls . He did research on compounds such as lactose , asparagine , starch, and dextrose .

He developed the Sachsse'sche method or iodine mercury method for determining sugar ( cane sugar ).

Fonts (selection)

  • About some chemical processes involved in the germination of Pisum sativum. A. Edelmann, Leipzig 1872. (= also habilitation thesis, University of Leipzig 1872)
  • About some nitrogenous compounds in milk sugar. In: Reports of the German Chemical Society 4 (1871) 2, 834-836. doi: 10.1002 / cber.18710040299
  • About a method for the quantitative determination of asparagine. In: Journal für Praktische Chemie 6 (1873), 118-127. doi: 10.1002 / prac.18730060110
  • Chemistry and physiology of dyes, carbohydrates and protein substances. A textbook for chemists and botanists. L. Voss, Leipzig 1877.
  • Phytochemical studies. L. Voss, Leipzig 1880.
  • Agricultural chemistry textbook. H. Haessel , Leipzig 1888.

literature

  • Bruno Haas: Comparative sugar determinations according to the Fehling , Sachsse and polarimetric method. In: Fresenius' Journal of Analytical Chemistry 22 (1883), 215-220. doi: 10.1007 / BF01338053

Web links

Individual evidence

  1. ↑ Richard Sachse , Karl Ramshorn, Reinhart Herz: The teachers of the Thomasschule in Leipzig 1832-1912. The high school graduates of the Thomas School in Leipzig 1845–1912 . BG Teubner Verlag, Leipzig 1912, p. 35.
personal data
SURNAME Sachsse, Georg Robert
ALTERNATIVE NAMES Sachsse, Robert
BRIEF DESCRIPTION German agricultural chemist
DATE OF BIRTH November 26, 1840
PLACE OF BIRTH Leipzig
DATE OF DEATH April 25, 1895
Place of death Leutzsch