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goudron (plural goudrons)
- Tar, especially boiled tar.
- 1887, Institution of Civil Engineers of Ireland, Transactions, volume 17 page=213:
- The manner of laying down the asphalt is as follows : -A fire is first lighted under the boiler, then the goudron is put in.
- 1900, Society of Chemical Industry (Great Britain), Journal of the Society of Chemical Industry, page 652:
- About 50 kilos of goudron from Romany oil were carefully cracked at about 400 °C., partly with steam an partly without. In the latter case, dark paraffin wax was obtained from the higher fractions, […]
- 1902, The Petroleum Review, with which is Incorporated "Petroleum", page 671:
- He is unable to select his crude, and often has to be satisfied with a worse residuum; nor is he in a position to dispose of his goudron as the latter, and for all these reasons, such a refinery is compelled to secure as high a ...
- 1903, Great Britain. Patent Office, Patents for Inventions. Abridgments of Specifications, page 75:
- The carbon electrodes rest on a layer f of goudron, which is tar boiled or evaporated to a density greater than that of ordinary tar.
- 1906, The Petroleum Review ..., page 156:
- In some parts the oil soaks through river alluvia and forms small goudron deposits.
- 1909, Petroleum Review
- For this purpose, the goudrons are diluted with a certain quantity of water, so as to reduce the acid to 50 °B.; at the same time, the mass is energetically blown with air, in order to separate and to bring to the surface of the ...
- 1923, Petroleum Times
- (6) Natural liquid goudrons are solutions of more or less oxidized (resinified) solid hydrocarbons in liquid hydrocarbons, and are therefore thick and viscous.
goudron m (plural goudrons)
- tar (substance)