Friedrich Heeren

Friedrich Heeren (11 August 1803 2 May 1885) was a German chemist.

Friedrich Heeren
Born(1803-08-11)11 August 1803
Hamburg Germany
Died2 May 1885(1885-05-02) (aged 81)
Hanover Germany
NationalityGerman

He received his doctorate in Göttingen, and from 1831 was an instructor of technological-chemical subjects at the Polytechnic School in Hannover (Höheren Gewerbeschule). Here he taught classes in physics, mineralogy and chemistry.

With technologist Karl Karmarsch (1803-1879), he published a technical dictionary (Technisches Wörterbuch). Also, with Karmarsch, he developed a process for the preparation of gun cotton. In 1881 he introduced an apparatus for the testing of milk (lactometer, patent# 241655).

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