Hoffmann, H (photos)Biblio.com
Hoffmann, Friedrich: - Hofmann, CarlBiblio.com
De Acido Vitrioli Vinoso. Diss. Praes.: Friedrich Hoffmann; Resp.: Caroli Hofmanni Norici.
1733367781733. Norimbergae : Apud Wolg. Maur. Endteri Haeredes Filium Mayeriam Huivsque Filium 1733 4° 2 44 pp. orig. Broschur. First publication of "Hoffmann's drops"! Friedrich Hoffmann 1660-1742 "describes the preparation of ether which he calls adidum vitroli vinosum as a better name than spiritum vini vitriolatum and gives a history of the substance. He regarded alcohol as mainly a compound of water and oil with some acid. Sulphuric acid removes the water and leaves the oil in the form of ether although the latter might contain some vitrolic particles ab omni partium vitriolicarum immixtione non sit penitus immune. A mixture of alcohol and ether was long used in medicine as liquor anodynus minerali Hoffmanni or 'Hoffmann's drops' . this is given as a dissertation of Carl Hoffmann." Partington II p.700 Erste Veröffentlich der Hoffmann's Tropfen! unknown
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