Friedrich Heeren (11 August 1803 – 2 May 1885) was a German chemist.
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.Stiftung Tierärztliche Hochschule Hannover, The History of the Institute of Chemistry (biography)
With technologist Karl Karmarsch (1803-1879), he published a technical dictionary (Technisches Wörterbuch).WorldCat Titles Karmarsch und Heeren's Technisches Wörterbuch Also, with Karmarsch, he developed a process for the preparation of gun cotton.Treccani.itGoogle Books The international cyclopaedia: a compendium of human knowledge, Volume 7 by Harry Thurston Peck, Selim Hobart Peabody, Charles Francis RichardsonGoogle Books Reports on the Vienna Universal Exhibition of 1873: Volume 1 by Great Britain. Royal Commission for the Vienna Universal Exhibition of 1873 In 1881 he introduced an apparatus for the testing of milk (lactometer, patent# 241655).Official Gazette of the United States Patent Office, Volume 19
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