Soot
The lampblack was in earlier times a means to blacks .
description
The pine soot served as a black colorant for letterpress , stone and copperplate printing inks , mixed with lard as shoe wax and as an additive for glue paints . Because it was also used as a raw material for sealing ship hulls, the main buyers of the German, in particular the Thuringian soot burners, were Great Britain and the Netherlands (see also section on the history of Crawinkel ).
As a precursor, the processed Teerschweler in kilns resinous conifers in the form of Kienspänen . The wood was burned smoldering in a weak supply of air and the smoke was directed into the cone-like soot chamber, where the soot was deposited on the walls made of metal, linen or wool. The charred wood was sold as charcoal . It consists mainly of carbon and a significant amount of difficult to decompose hydrocarbons .
Web links
Soot . In: Heinrich August Pierer , Julius Löbe (Hrsg.): Universal Lexicon of the Present and the Past . 4th edition. tape 9 . Altenburg 1860, p. 473 ( zeno.org ).
Individual evidence
- ↑ General Trade Lexicon or Encyclopedia of the Entire Trade Sciences Ed. from an association of practical merchants . E. Schäfer, 1857, p. 716 ( limited preview in Google Book search).
- ↑ Eduard Assmuss: The dry distillation of wood and processing of the raw products obtained by the same to finer, such as acetic acid, acetic acid salts, turpentine oil, car lubricant, Kienruss etc. A manual for technicians, chemists and manufacturers . Springer Berlin Heidelberg, 1867, p. 124 ( limited preview in Google Book search).